Limits and Continuity Practice. 2. a. Calculus AB. 0 To score a 5 on the AP calc AB exam, you will need to answer 70% to 75% of the questions correctly. }. This is our free AP Calculus AB unit test on limits. You can save time by doing things more efficiently. The week of March 23rd we will be reviewing Limits and Continuity. If you're struggling with your homework, our Homework Help Solutions can help you get back on track. Leading Coefficient Positive, Even Degree, Examples: Types of Functions: Polynomials, Types of Functions: Trigonometric- Inverse Trig Functions, Types of Functions: Trigonometric- Trig Identities, Example 3: Using Trig Identities & Exponential Properties. border-radius: 6px; If you take a full-length AP Calculus AB practice exam before the actual exam but dont have answer sheets to use, make your own by listing out the numbers 1-30 and 76-90 on a piece of paper before starting the test. Each test includes at least 3 multiple choice and one free response question from previous AP exams. Ap calculus ab limits and continuity multiple choice - SO DNE. 2022 Educator, Inc. All Rights Reserved. Download lecture slides for taking notes. MULTIPLE CHOICE. Our support team is available 24/7 to assist you. The average satisfaction rating for this product is 4.9 out of 5. *The following questions were not written by CollegeBoard and although they cover information outlined in the, Time to Check Your Answers on Unit 1 Practice Questions Answers and Review! , Answers and Review for Multiple Choice Practice on Limits and Continuity, Multiple Choice Practice for Limits and Continuity. 2), Example 5: Implicit Differentiation With Double Derivative, Example Continue: Velocity When Acceleration is Zero. For best experience use Chrome, Firefox or Safari. Fold the corner of the page in your question booklet to mark the pages you need to come back to. 9x2 2 0000006103 00000 n Please open this site in a different browser. padding-left: 1em; 1)Assume that a watermelon dropped from a tall building falls y = 16t2 ft in t sec. } . .fract { The AP calculus AB exam is not something that should be taken lightly. Then, if there is time, at the end of the exam, revisit all of the pages you marked to either try to answer the question or double-check your answer, unfolding the page corners as you revisit them. 0000052955 00000 n Unit 1 Free Response Questions from AP Calculus Exams - Limits and Continuity · Crash Course Limits and Continuity · AP Calculus AB and BC Unit 1. 0000172280 00000 n Our tutors are experts in their field and can help you achieve your academic goals quickly and easily. Supporting Students from Day One to Exam Day - AP Central | College Board AP Calculus AB. Homework is assigned, collected, and graded daily. margin-bottom: 1.5em!important; Consider the following function: a) Find b) Find c) Find (note that x approaches two, not zero) d) Is the function continuous at x = 0 f) Is continuous at -1 ? Just like any AP course you may take, you have the chance to take an exam at the end of the course to earn a college credit for your hard work, an AP calculus class is the same. Problem 1. Cross out any such choices in your test booklet. The multiple-choice section consists of two parts: Part A contains 30 multiple-choice questions for which you are not allowed to use your graphing calculator, and Part B contains 15 multiple-choice questions for which you may use your calculator. For this type of question, there could be more than one statement that ends up being true, so it may be necessary to calculate multiple things. Example 1: Apply Basic Principle of Log Func. Work on the homework that is interesting to you, Work on the task that is attractive to you, SO DNE. c>4ibQ%1c3w7gh{N)vP\ -0/o# iv7k97dG8CY6ar@`Qln!,JN9rQ?NKKHm$(DErA%DH{AH 6@fWGleqR.tt|Ot)F&MWW. Instruction will be from 3:00 pm to 3:15 pm The session will begin in room 315 with a brief review of the weekly topic. My AP Calculus Course: Multiple choice questions from past AP Calculus exams pertaining to Limits. 34 . 0000007260 00000 n 0000007051 00000 n ,ZcqKC\i8n0y3{yw _m8lF[|$-`IU8"f{{K5N?8(NF"&R:j^t'M%r2Gj[cas2TDVFj!1;kNl9;]~N:yB&>R;SZ"x({O2k>r Each question is weighted the same regardless of whether it is in Part A or B. } Do you frequently forget small details like the constant of integration C for indefinite integrals? padding: 0 0.3em; How are AP Calculus AB multiple-choice questions graded? padding-right: 2.5em; AP Statistics Practice Test: Statistical Inference, AP US Government and Politics Test Effective Fall 2019, AP US Government and Politics Test Effective Fall 2018, AP Macroeconomics Free-Response Practice Test 1, AP Macroeconomics Free-Response Practice Test 2, AP Microeconomics Free-Response Practice Test 1, AP Microeconomics Free-Response Practice Test 2, AP Microeconomics Free-Response Practice Test 3, AP Microeconomics Free-Response Practice Test 4, AP Psychology Free-Response Practice Test 3. These notes cover the properties of limits including: how to . Post Exam Set #4. Format of AP Calculus AB Multiple-Choice Section. The entire Section I accounts for 50% of the total points on the exam. Analyze various representations of functions and form the conceptual foundation of all calculus: limits. The book includes 3 full length practice tests with detailed explanations, a review of all the key concepts, and targeted strateeies to ace th exam for your highest score. ONly f. View more School Troy High School (California) Course Calc AB (CALC2020) Academic year2018/2019 Helpful? 0000053541 00000 n + + ++ = , ==() () ()() ()() (). The last thing is something that your AP calculus teacher will likely give you. Unit 1: Lesson 5. 1612 0 obj <> endobj There is a mathematic problem that needs to be determined. 1650 0 obj <>stream 0000016289 00000 n .rw-pad{ 2Hq3tDjJ$8 :#8 GGp:d3 2u84xk!pKW{cuIHRM!O: k@J9hiDR ;:_7faNH >d& jq Format of AP Calculus AB Multiple-Choice Section The MCQs on the AP Calculus AB exam, collectively called Section I, are split into two parts, A and B. Here are some examples of AP Calculus AB multiple-choice practice questions from the UWorld QBank to illustrate different kinds of questions you may experience on the exam. .frq-table{ 0000072242 00000 n %S*F_)&sZ=RK6fI'6>XbL9u\=f+3E/MiS$~6bVS,?^=~oC/>Q{? 0000009753 00000 n padding-left:0.25em; 1. It follows the AP Calculus AB/BC curriculum (no epsilon-delta stuff) and the questions are in the style of the multiple choice questions found on the AP exam. Home If your answer sheet gets misaligned with the test booklet, you may end up missing points that you otherwise would have gotten. 0000003225 00000 n I know that the cosine of pi/4 is sqrt2/2, but does the coefficient of 7 have any effect on the answer? Find the watermelon's average speed during the first 6 sec of fall. Limits and continuity problems on the AP Calculus exams may be very easy or may be quite challenging. . Which of the following statements about f are true? AP Calculus AB Multiple-Choice Practice Quesitons: Limits 1 pdf download. background-color: #fde088; f is continuous at x =2. 0000006140 00000 n AP Calculus Integrals Practice Test! Link download link. #1 - 7 Multiple Choice: WOY. Sometimes you can immediately eliminate a choice because it does not fit in with what the question is asking. AP Calculus AB Practice Test 1 (Differentiation) Part I: Multiple Choice: No Calculator : ; L F E L F This function has a discontinuity where the denominator is zero. At UWorld we provide you the best way to access enough AP Calculus AB practice multiple-choice questions that match the style and difficulty of an actual AP Calc BC exam. This is especially important if you skip a question that you dont know how to answer, but it is good practice regardless. The best ways to practice for the AP calculus AB exam are to create and study flashcards, take multiple AP calculus AB practice exams, and review the study guide your teacher will give you at the end of the course. 0000012575 00000 n On the AP Calculus AB exam, a machine grades the multiple-choice questions. AP coordinators will be able to reassign a student with an existing exam order to a later date, if necessary. My AP Calculus Course: https://www.youtube.com/c/MrHelpfulNotHurtful/playlists?view=50&sort=dd&shelf_id=1Multiple choice questions from past AP Calculus exam. And if solo study is not your thing, join a group in. 0000166334 00000 n Facts about the test: The AP Calculus exam has two sections of multiple choice: 30 questions in 60 minutes with no calculator, and 15 questions in 45 minutes with a calculator. Post Exam Set #4. If you are someone who hopes to enter an engineering, science, or mathematics field when attending college, you may be looking to take an advanced placement (AP) calculus course to help your college credit load. Other times, the answers will be in integral notation, so computing the integral will waste time. Types of Functions: Rational - Definition, Types of Limits: One-Sided Limit Example 1, Types of Limits: One-Sided Limit, Example 2, Types of Limits: One-Sided Limit, Example 3, Types of Limits: One-Sided Limit, Example 4, One-Sided Limit Example: X with Even Degree Polynomial, One-Sided Limit Example: Entire Denominator Squared, Special Trig Limits, Example 4: With More Degrees, Example 4: Locate & Identify Type of Discontinuities, Types of Derivatives: Higher Order Derivatives, Types of Derivatives: Exponential Functions, Types of Derivatives: Logarithmic Functions, Types of Derivatives: Inverse Trigonometric Functions, 6 Fundamental Properties of Inverse Trigonometric Functions, Implicit Differentiation: Second Order (Ex. The question below is the simplest type of question youll see where you are given an expression and asked to compute it. xbbg`b``3 1 S No Calculator - You will have just under 2 minutes per question. K~bbPBQIZ%.>.'P~7Xa0+Sq "COB+xw.x{x>;:3je2ak74ejfwvh>Q# {B: Many MCQs from past exams are released in AP Classroom, which will require a teacher to assign them to you if you want to practice with them. Read More 2016 College Board AP Calc AB Practice Exam, 2012 College Board AP Calc AB Practice Exam, 2008 College Board AP Calc AB Practice Exam, 2008 AP Calculus AB Practice Problems Multiple Choice. There are two parts to each section. The multiple-choice section consists of two parts: Part A contains 30 multiple-choice questions for which you are not allowed to use your graphing calculator, and Part B contains 15 multiple-choice questions for which you may and in fact, will most likely need to use your calculator. These. The questions cover all eight units of the AP Calculus AB course. window.addEventListener('DOMContentLoaded', function() { There are two AP calculus options. Unlimited access to our entire library. 4/7. If you need help, we're here for you 24/7. This first chapter involves the fundamental calculus elements of limits. 1.4 Ch. AP Calculus AB. So if you dont know how to solve a problem, take a guess and youll have a 25% chance of getting it right. } 2019 BC Free Response #3 - Given a Graph. Introduce AP Calculus AB Multiple-Choice Practice Quesitons: Limits 1 pdf download. Format of the Exam The paper-and-pencil exam and the digital exam will be the same format as always (45 multiple choice questions in 1 hour 45 minutes, followed by 6 free response questions in 1 hour 30 minutes) with no calculator for . Answers to Calculus AB Multiple-Choice Questions . The properties of limits are important to be familiar with in calculus. 0000133507 00000 n Limits and Continuity Practice. 0000004442 00000 n 0000010125 00000 n }); Whether you want to get a head start in the summer or want to wait until 2 weeks before the exam to prepare, we break down the essential tips and tricks no matter your timeframe. Before answering, reread the question to find what you are supposed to calculate (if you underlined, it should be easy to find). Looking for a tutor who can help you improve your grades fast? All of the currently released AP CALCULUS multiple choice questions having to do with LIMITS and CONTINUITY. II. By showing you which areas you struggle with the most, you discover which units you may need to review before taking the test. [About Us], Recommended Prep CoursesAll Practice Tests. Get expert help by scheduling a call with one of our top-tier support agents. When p < 1, the series diverges. The p-series is also useful when using either the Direct or Limit Comparison Tests just like the harmonic series. To be able to utilize a practice test to study for the AP calc exam, you need to make sure that the practice test you are taking is filled with the right information and the best tools for you to succeed. Solve the problem. These questions cover basic limits, limit properties, limits of infinity, limits at infinity, and L'Hopital's rule. Available 24/7. 0000012287 00000 n . 1. a. border: 1px solid black; I can't believe I have to scan my math problem just to get it checked. If this discontinuity is removed, then, we have: So, : F ; L F F L F Answer: E 4 4 2 2. x a x a - - is: a) 6a. 0000008157 00000 n This course covers all topics included in the AP Calculus Course Description for Calculus AB. Daily Lessons and Assessments for AP* Calculus AB, A Complete Course. + + ==+. Functions and Limits. 0000003438 00000 n Each section is worth 50 percent of the exam score. hb```f``j``e` ,@Q}?Z.My"#6jL uq +de^ElY'4_vV+QXl; 6DPgOoT{.P"5@\_[H3R ][3TWhZ LD AP Calculus AB Multiple-Choice Practice Quesitons: Functions and Domains. At this time, I do not offer pdf's for solutions to individual problems. } 1.5 Ch. AP Calculus AB. text-align: center; Keep reading to learn more about the AP calculus AB exam. The book has a topic-by topic breakdown and lots of problem approach suggestions for both free response and multiple choice calculus questions. 0000181334 00000 n AP Calculus AB and BC Videos (BC at the bottom) LIMITS Intro to Limits - Khan Academy Intro to Limits - Math BFF Limits by Factoring - Khan Academy Limits by Rationalizing Denominator - Khan Academy Formal Definition of a Limit - Khan Academy (watch all successive videos) Finding Limits, Multiple Techniques - Math BFF Limits at Infinity - Math BFF (A) I only (B) II only (C) III only (D) I and II only (E) I, II, and III 7. 89. font-size: 10px; 5sqrt(2)/2 = 5/sqrt(2) as is on D choice.I agree with Kyle here. padding: 0.5em 0.25em; Solve homework; Deal with math equations; Clear up mathematic questions; Instant solutions; trailer Mark Sparks 2012. Not only that, if youre struggling to remember a formula, you can add it to a flashcard as well. Explain in your own words what is meant by the statement . Remember to go to AP Classroom . 0:08. border: 1px solid black!important; I've found this app more helpful and cheaper than Chegg. 55. For example, water flows into the container at a constant rate of 8 cubic feet per minute means that the volume of water is increasing by 8 ft. If you are subscribing to UWorld AP Calc AB QBank, here are a few recommendations to get you started : If you are still learning the AP Calculus AB course material, create small UWorld tests covering the topic(s) that you learned in your last class. 0000002007 00000 n This AP calculus ab practice test contains 21 questions with answers and explanations. %PDF-1.4 % If you are running out of time, spend the last couple of minutes making sure youve filled in an answer for every question that you couldnt get to. Not only does this allow you to learn and grow from making mistakes, but it also allows you to become a more efficient studier. Then scan through the answer choices to see what form the answer will be in. Understanding these properties of limits is very important when analyzing the behavior of functions and evaluating integrals. Four Ways to Represent a Function; Mathematical Models: A Catalog of Essential Functions; New Functions from Old . Limit prooff is defined for all values of Suppose x near a, except possibly at a. display: inline-block; endstream endobj 563 0 obj <>/Size 506/Type/XRef>>stream 0000004790 00000 n Physics Forums is a scientific community for students looking for math & science help. AP Calculus 2008 BC Multiple Choice () 2 4 if 2 2 1 if 2 x x f x x x = = 6. padding: 0 0.3em; #1 - 7 Multiple Choice: Use this figure to answer questions #1 - 4. AP REVIEW - Limits & Continuity - Multiple Choice Questions - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. 0, then . The MCQs on the AP Calculus AB exam, collectively called Section I, are split into two parts, A and B. 0000172577 00000 n There are also two free-response sections (part A with two questions to answer in thirty minutes and part B with four questions to answer in sixty minutes). Click here for the practice questions: AP Calculus Unit 1 Multiple Choice Questions. , (1A%mT?,H7kv13 AP Calculus AB Exam Review Limits and Continuity MULTIPLE CHOICE. Section 1 Part A and Section 2 Part B each account for one-third of your score while Section 1 Part B and Section 2 Part A account for the other one-third when combined. 7l~0~a1@(hh1\'V +L'8`d1 cc'2JFCN1J]TFTk.-~0+[rb3uw. 1.18 Multiple Choice Questions on Limits AP Calculus questions can be one-sided or two-sided limits, Typically there is one multiple choice question with a limit as x approaches infinity. } D) G(b) = K. E) None of the above must be true.8 pages, Find equation of tangent line at a given point derivative, Find vector equation of a line passing through two points, How to make a circle on graphing calculator, How to solve geometry problems involving angles, Ncert solutions for class 10 first flight, Ncert solutions for class 6 maths chapter 14 exercise 14.6, Two step equations and inequalities word problems. Mathematics Calculus AB Limits: Multiple Choice Practice. What is meant by and ? .indent{ #1 - 7 Multiple Choice: Use this figure to answer questions #1 - 4. Some tests are closely guarded and released only to teachers for use in the classroom. STOP! Before you look at the answers make sure you gave this practice quiz a try so you can assess your understanding of the concepts covered in unit 1. Explain (or illustrate). The container has a radius of 5 feet at the top and its height is 15 feet. 0000001505 00000 n The best way to protect your data is to keep it secure. 4 Test Chapter 5: Applications of Derivatives (Lessons & Pacing Guide) Lesson 1: Equation of Tangent & Normal Lines Lesson 2: Linear Approximation Lesson 3: Position, Velocity, Acceleration Lesson 4: Intervals of Direction Lesson 5: Speeding Up or Slowing Down This AP calculus ab practice test contains 21 questions with answers and explanations. . If water flows into the container at a constant rate of 8 cubic feet per minute, how fast in feet per minute is the water level rising when the height of the water is 9 feet? However, if you are prepared, you should have no problem passing the exam. #1 - 7 Multiple Choice:. ANS: B DIF: Medium MSC: 59% answered correctly . Then create shorter tests over those topics specifically to help you practice and learn from your mistakes. Chapter 1 Limits and Their Properties. Cracking the AP Calculus AB Exam, 2015 Edition. .fract > sup, .fract > sub { Name___________________________________. padding-right: 2em; When you hit a vocabulary word, stop and analyze what that means. We will also teach you how to practice the MCQs as you prepare for your AP Calculus AB exam. endstream endobj 1613 0 obj <>/Metadata 140 0 R/Outlines 190 0 R/Pages 1610 0 R/StructTreeRoot 202 0 R/Type/Catalog>> endobj 1614 0 obj <>/MediaBox[0 0 612 792]/Parent 1610 0 R/Resources<>/Font<>/ProcSet[/PDF/Text]>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 1615 0 obj <>stream .tdiv{ We advise that you use more than three decimal places in your calculations to eliminate round-off errors. If the x with the largest exponent is the same, numerator and denominator, the limit is the coefficients of the two x's with that largest exponent. Select from hundreds of AP Calculus problems from this test bank to improve your exam scores, grades and ace the AP Exam. However, its sometimes possible to strategize. . 0000000016 00000 n You can either use an online source (like Quizlet) or make your flashcards with a pen and index cards. Knowing just this information, it is possible to eliminate Choices A, C, and D. Therefore, you can confidently deduce that B is correct without testing Statements I and II. 17) AP TEST QUESTION: If the function f is continuous on the cl osed interval [0, 2] and has values that are given in the table The AP Calculus Problem Book Publication history: First edition, 2002 Second edition, 2003 Third edition, 2004 Third edition Revised and Corrected, 2005 Another common type of problem is that of finding limits of functions. } AP Calculus - Multiple Choice. Part A consists of 30 questions on which you are not allowed to use a calculator, and you are given an hour to complete it. Almost all limit questions will involve a fraction: Scenario #1 In the first scenario, we will be asked to evaluate a limit where the denominator evaluates to 0, but the numerator evaluates to a non-zero number. jQuery.get( "https://collegeprep.uworld.com/wp-content/assets/web-footer.html", function( data ) { document.getElementById('univ-footer-wrap').innerHTML=data;}); Learn how to deal with the FRQ section of AP Calculus ABsee our step-by-step instructions and a sample question to help you answer free-response questions quickly. This question type gives three statements and asks which are true. Grab some paper and a pencil to record your answers as you go. In this section, we review some specific tips regarding the multiple-choice portions of the AP Calculus exam. Is it possible for the statement to be true if f(3) is undefined? Each style of study poses all kinds of benefits depending on how you learn best. The first thing you should do on any MCQ is carefully read the question. 0000024238 00000 n 56-58. One common example is the fundamental theorem of calculus. Limits: Multiple Choice Practice. AP/College Calculus AB. 0000009503 00000 n } You will probably receive a study guide or class-end review from your teacher to help you learn what you should study to prepare for the AP calc AB exam. The figure below shows the graph of f. Use this figure to answer questions #1. Lecture Slides are screen-captured images of important points in the lecture. display: inline-block; AP Calculus AB Multiple-Choice Practice Quesitons: Limits 2 pdf download. AP Calculus - Multiple Choice. The more practice tests you take, the more questions you are exposing yourself to. font: inherit; .frac { Check out a free AP calc practice test below to start studying for your exam. 2023 Fiveable Inc. All rights reserved. 144 Comments Please sign inor registerto post comments. Grab This Precalculus Lesson For Introduction Into Limits And Continuity As The School Year Ends You Can Choose Bet Precalculus High School Calculus Calculus 4 4 2 2. AP Calculus Test: Limits and Continuity! Around 61% of test takers pass the exam (scoring a three or higher), but you do need to be properly prepared before the exam to increase your chances of passing. Chapter 2 : Limits. Its not always possible to strategize this way, but if you eliminate answer choices as you go, you may save yourself some work. Part A consists of 30 questions on which you are not allowed to use a calculator, and you are given an hour to complete it. Page 93. . There are many different methods to use to study for the AP calculus AB exam. .frq-table{ Study smarter and see As in your future. The 2022 AP Calculus AB exam will be split equally between two sections: multiple-choice and free-response questions. Link download link AP Calculus AB Multiple-Choice Practice Quesitons: Limits 2 AP Statistics Practice Test: Statistical Inference More Information If not, is the discontinuity removable? For example, if the question says relative maximum, take a moment to think about what that means in calculus, like derivative equals 0 and changes sign from positive to negative, second derivative is negative, and so on. 2 1. b) 0 c) a2 1 d) 2a 2 1 e) Does not exist . AP Calculus: The Fundamental Theorem of Calculus! <]>> This is a calculator question (Part B), so answer choices are rounded to three decimal places. Worksheet: Limits | AP Calculus AB iLearnMath.net 16) AP TEST QUESTION: If a . In 2016, the AP Calculus exam started including some problems that could only be solved by using L'Hpital's rule . AP Exams contain multiple-choice questions and a free-response section (either essay or problem-solving). This will help you key in on the important aspects of the question. Larger tests of 10-30 questions spanning the entirety of the course will simulate the length and variety of the AP Calculus exam. Look no further than Fast Expert Tutoring. You have more than plenty of time to answer both the questions in the multiple-choice and free-response sections. Test-Guide.com was founded by a group of educators with a passion for preparing students to succeed on their exams. The book also includes two full length tests. . display: block; 1:51. . AP Calculus AB Review Week 1 Limits and Continuity Advanced Placement AAP Review will be held in room 315 and 312 on Tuesdays and Thursdays. The correct answer is indeed 5/sqrt(2). x[6) The p-series test is used to determine the convergence of an infinite series of the form: Where p is any positive, real number.This test tells us that the series converges when p > 1. display: block; The AP Calculus AB exam is a timed test. 0) Textbook Problems: Ch. Choose 1 answer: Choose 1 answer: (Choice A . Choose the one alternative that best completes the statement or answers the question. *The following questions were not written by CollegeBoard and although they cover information outlined in the, Connect with other students studying AP Calculus with, Answers and Review for Multiple Choice Practice on Limits and Continuity, Multiple Choice Practice for Limits and Continuity. 2016 AP Calculus AB Practice Exam MCQ Multiple Choice Questions with Answers Advanced Placement calc practice problems, real AB questions , good test materials to study. Try this amazing Calculus - Limits - Quiz 1 quiz which has been attempted 12391 times by avid quiz takers. You can see how you did on the Unit 1 Practice Questions Answers and Review sheet once you're done. If youre looking for the final value of a quantity f over an interval given an initial value of f and the derivative f , youll need to compute the definite integral of f . This will help you learn from your mistakes. The multiple-choice questions on the AP Calculus exam count for 50% of your total score. Your teacher may choose to group them together differently or teach them in a different order, but you should be able to familiarize yourself with these topics: As you can see, you will need to be able to read graphs and formulate answers that are well-supported by what you analyze from the graphs. Our free lessons will get you started (Adobe Flash required). Heres a question about limits in Unit 1. Do you often forget what the question is asking and stop a step or two early? 6m 16s. 4 Review Ch. AP CALCULUS AB AND BC UNIT Limits and Continuity 1 AP EXAM WEIGHTING CLASS PERIODS 10-12% AB 4-7% BC ~22-23 AB ~13-14 BC 00762-114-CED-Calculus-AB/BC_Unit 1.indd 29 3/5/19 3:38 PM.