1998 calc bc frq - AP® Calculus BC 2004 Scoring Guidelines. The materials included in these files are intended for noncommercial use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face teaching ...

 
 when t= 0 or when x0(t) = 0.We have seen that t= 0 gives the global minimum on the interval, and, because x(t) is non-constant, cannot give the maximum. . Great clips in belton

♾️ AP Calculus AB/BC 📌 Exam Date: May 13, 2024. ... Score Higher on AP Calculus 2024: FRQ Tips from Students. 7 min read. 2015 FRQ Review. streamed by Brandon Wu. AP Cram Sessions 2021. 🌶️ AP Calc Cram Review: Unit 1: Limits and Continuity. streamed by Meghan Dwyer.is the sum of. 6. Sample: 6A. Score: 7. The response earned 7 points: 4 points in part (a), 1 point in part (b), 2 points in part (c), and no points. in part (d). In part (a) the response earned the first point by presenting the correct ratio. The response earned the second point by.1998 AP Calculus AB Scoring Guidelines 1. Let Rbe the region bounded by the x{axis, the graph of y= p x, and the line x= 4. (a) Find the area of the region R. (b) Find the value of hsuch that the vertical line x= hdivides the region Rinto two regions of equal area. (c) Find the volume of the solid generated when Ris revolved about the x{axis.AP® Calculus BC 2004 Scoring Guidelines Form B. The materials included in these files are intended for noncommercial use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...AP® CALCULUS AB/CALCULUS BC 2019 SCORING GUIDELINES Question 1 (a) 5 Et d t 153.457690 0 To the nearest whole number, 153 fish enter the lake from midnight to 5 A.M. 1 2 : : integral 1 : answer (b) 1 5 50 Lt d t 6.059038 0 The average number of fish that leave the lake per hour from midnight to 5 A.AP Calculus AB Scoring Guide Unit 2 Progress Check: FRQ Part A Copyright © 2017. The College Board. These materials are part of a College Board program. AP Calculus AB 2022 Free-Response Questions AP® Calculus BC 2004 Scoring Guidelines Form B. The materials included in these files are intended for noncommercial use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...Mar 31, 2012 ... Series MC 1998 BC 83. 689 views · 12 years ... AP Calculus Review. Math Café · Playlist ... Question 80 - 1997 Multiple Choice AP Calculus BC Exam.1998 AP Calculus BC: Section I, Part B 79. Let f be the function given by 2 2 (1)( 4) xx fx x a − − = −. For what positive values of a is f continuous for all real numbers x? (A) None (B) …CALCULUS BC SECTION II, Part A. Time—45 minutes Number of problems—3. A graphing calculator is required for some problems or parts of problems. 1. Let R be the region bounded by the graphs of y sin p x. 3 and y x. 4 x , as shown in the figure above. Find the area of R. The horizontal line y 2 splits the region R into two parts.MCQ FRQ. Course. Calculus I (MATH 180) 285 Documents. University. University of Illinois at Chicago. Academic year: 2019/2020. Uploaded by: YD.Complete Practice Tests. The College Board has released two complete exams from prior administrations of the AP Calculus AB exam. The tests are from 1988 and 1998. The 1988 test has an answer key included; however, for some reason, the 1998 exam does not. The College Board provided answers for the free-response questions in a separate document ...AP Calculus 2018 BC FRQ Solutions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver May 22, 2018 1 Problem 1 1.1 Part a During the time interval 0 t 300, Z 300 0 r(t)dt= 44 Z 300 0 t 100 3 1 t 300 7 dt= 270 (1) people enter the line for the escalator. (Fortunately, the problem is calculator active ...2021 AP Calculus BC Exam Free Response Question #2Full playlist: https://www.youtube.com/playlist?list=PL6iwkLfBjZixEcq-THVfosREeDizd1nK5Parametric, vector p...1998 AP Calculus AB: Section I, Part B 50 Minutes—Graphing Calculator Required Notes: (1) The exact numerical value of the correct answer does not always appear among the choices given. When this happens, select from among the choices the number that best approximates the exact numerical value.Sample: 1B. Score: 7. The response earned 7 points: 1 point in part (a), 2 points in part (b), 1 point in part (c), and 3 points in part (d). In part (a) the difference quotient of 10 - 6 in the first line would have earned the first point with no simplification. In.1998 Multiple choice answers and solutions 1997 - 2003 answers to free response AP questions ... Click here to see the solutions to the 2023 AP Released Free Response questions. As ... Mr. Calculus is a College Board endorsed AP* Calculus AB and AP* Calculus BC consultant and teaches at Diamond Bar High School in Diamond Bar , ...Our AP Calc BC Score Calculator can help project that for you. AP Calc BC Score Calculator (Continued) Take a look at these AP Calc BC FRQ examples from 2023 that have you refer to a chart or a graph with a description of it: - "Using the model g defined in part (c), find the value of g'(140). Interpret the meaning of your answer in the ...Solving all six of the FRQs from the 2022 AP Calculus BC exam in one stitched together video. Trying to see if people prefer this!00:00 FRQ #108:29 FRQ #213...Jan 15, 2023 ... Slides: https://robbiepmath.wordpress.com/2023/01/15/ap-calculus-bc-frq-polar-frq-1998-2019/ (a link to wordpress; not a direct pdf link) ... t 10, Bob’s velocity is modeled by B t. 3 2. 6 300, where t is measured in minutes and B t. is measured in meters per minute. Find Bob’s acceleration at time t 5. (d) Based on the model B from part (c), find Bob’s average velocity during the interval 0 t 10. dy. 4. Consider the differential equation. Show the work that leads to your answer. Indicate units of mea sure. (b)Use a left Riemann sum with the four subintervals indicated by the table to estimate the total amount ofHere's my own PDF solutions for the released 2023 AP exams for AP Calculus, Statistics, and Physics. If you're looking for help in AP Physics 1, check out a new course I've put together here AP Statistics PDF SolutionYouTube SolutionsFRQ #1 FRQ #2 FRQ #3FRQ #4FRQ #5 FRQ #6AP Calculus ABPDF Solution (AB)PDF Solution (BC) YouTube Solutions FRQ #1 (AB/BC)FRQ #2 (AB)FRQ #3 (AB/BC)FRQ #4 (AB/BC)FRQ ...About the Exam. The AP Calculus BC Exam will test your understanding of the mathematical concepts covered in the course units, as well as your ability to determine the proper formulas and procedures to use to solve problems and communicate your work with the correct notations. A graphing calculator is permitted for parts of the exam.1985 AP Calculus BC: Section I 90 Minutes—No Calculator Notes: (1) In this examination, ln x denotes the natural logarithm of x (that is, logarithm to the base e). (2) Unless otherwise specified, the domain of a function f is assumed to be the set of all real numbers x for which f(x) is a real number. 1.Additional Practice Problems:Differential Equations: AP Calc BC FRQ 2016 #4Taylor/Mclaurin Polynomials: AP Calc BC FRQ 2014 #6Euler's Method: AP Calc BC FRQ ...MCQ FRQ. Course. Calculus I (MATH 180) 285 Documents. University. University of Illinois at Chicago. Academic year: 2019/2020. Uploaded by: YD.2023 AP Calculus AB Free Response Questions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver May 16, 2023 1. (a) The integral Z 135 60 f(t)dtgives, in gallons, the amount of gas pumped into the gas tank during the time interval 60 t 135. This amount is given by Z 135 60 f(t)dt˘f(90) 30 + f(120 ...This site contains miscellaneous resources for students and teachers of Advanced Placement Calculus AB and BC. Some of the content was originally put together when I first started teaching in 2005, for the purpose of making classroom materials available to my students on the web. On this page you will find selected tutorials, references ...Values of f ′ , the = ( ) = derivative of f, are given for selected values of x in the table above. (a) Write an equation for the line tangent to the graph of f at x 1. Use this line to approximate f 1.4 . = ( ) (b) Use a midpoint Riemann sum with two subintervals of equal length and values from the table to. 1.4 1.4.1998 Multiple choice answers and solutions 1997 - 2003 answers to free response AP questions ... Click here to see the solutions to the 2023 AP Released Free Response questions. As ... Mr. Calculus is a College Board endorsed AP* Calculus AB and AP* Calculus BC consultant and teaches at Diamond Bar High School in Diamond Bar , ...Arkansas School of Mathematics, Sciences and the Arts Prepared by L. Marizza A. Bailey AP Calculus Free Responses Categorized by Topic ! Continuity and ... 6 d. Sketch the entire graph of 1 2 y f x §· ¨¸ ©¹ e. Sketch the entire graph of y f x ( 1). 1970 AB 3 BC 2 Consider the function f given by 41 f x x x( ) 4 . Sample: 1C. Score: 3. The response earned 3 points: 2 points in part (a), 1 point in part (b), no points in part (c), and no points in. part (d). In part (a) the first point was earned with the definite integral 5 20 15sin t. 6 . dt, and the second. 0. point was earned with the answer 153.Welcome to Mathwired! I go over the released 2008 AP Calculus: AB FRQ. Whether you're in AP Calculus AB or AP Calculus BC, hopefully you'll find this video h...AP Calculus 2017 AB FRQ Solutions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver May 18, 2017 1 Problem 1 1.1 Part a The approximation with a left-hand sum using the intervals given is 50:32+14:43+6:55 = 176:3: (1) 1.2 Part bAP Calculus 2000 AB FRQ Solutions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver August 9, 2017 1 Problem 1 1.1 Part a We must first locate the first intersection of the curves y= e 2x and y= 1 cosxto the right of the y-axis. Solving numerically for b, we find that the smallest positive value ... Created Date: 4/21/2006 8:30:01 AM t 10, Bob’s velocity is modeled by B t. 3 2. 6 300, where t is measured in minutes and B t. is measured in meters per minute. Find Bob’s acceleration at time t 5. (d) Based on the model B from part (c), find Bob’s average velocity during the interval 0 t 10. dy. 4. Consider the differential equation. 1960-1998 AP Calculus AB and BC Exam MCQ Multiple Choice Questions with Answers Advanced Placement.pdf. ... Free -Response Questions Multiple -Choice Answer Key Free- Response Scoring Guidelines Scoring Worksheets Question Descriptors and Performance Data Note: This publication shows the page numbers that appeared in the 201 5−16 AP Exam ...The College Board is a mission-driven not-for-profit organization that connects students to college success and opportunity. Founded in 1900, the College Board was created to expand access to higher education. Today, the membership association is made up of over 6,000 of the world’s leading educational institutions and is dedicated to ...Section I: Multiple Choice, 50% of exam score. No calculator: 30 questions (60 minutes) Calculator: 15 questions (45 minutes) Section II: Free Response, 50% of exam score. Calculator: 2 questions (30 minutes) No Calculator: 4 questions (60 minutes) For the free response section, each question is scored out of a total of nine points, and you ...CALCULUS BC SECTION II, Part A. A graphing calculator is required for these problems. 20 1. Water is pumped into a tank at a rate modeled by W t 2000 e liters per hour for 0 t 8, where t is measured in hours. Water is removed from the tank at a rate modeled by R t liters per hour, where R is differentiable and decreasing on 0 t 8.Time—30 minutes. Number of questions—2. A GRAPHING CALCULATOR IS REQUIRED FOR THESE QUESTIONS. 1. A tank has a height of 10 feet. The area of the horizontal cross section of the tank at height h feet is given by the function A, where A h is measured in square feet. The function A is continuous and decreases as h. ()In this video, we'll unpack a sample free-response question—FRQ (No Calculator).Download questions here: https://tinyurl.com/2a6s32ctStay motivated and keep ...CALCULUS AB FREE-RESPONSE QUESTIONS CALCULUS AB SECTION II, Part A Time—30 minutes . Number of questions—2 . A GRAPHING CALCULATOR IS REQUIRED FOR THESE QUESTIONS. 1. People enter a line for an escalator at a rate modeled by the function r given by ⎧ ⎪ t t. 3 7 ⎪⎪ 44 1 for 0 ££ t ⎪ ()(rt ()=⎨ 100 300− ) 300 ...Arkansas School of Mathematics, Sciences and the Arts Prepared by L. Marizza A. Bailey AP Calculus Free Responses Categorized by Topic ! Continuity and ...Solution to the 2008 AP Calculus BC Free-Response Question 3Values of f ′ , the = ( ) = derivative of f, are given for selected values of x in the table above. (a) Write an equation for the line tangent to the graph of f at x 1. Use this line to approximate f 1.4 . = ( ) (b) Use a midpoint Riemann sum with two subintervals of equal length and values from the table to. 1.4 1.4.AP Calculus 1999 BC FRQ Solutions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver September 17, 2017 1 Problem 1 1.1 Part a See Figure 1 - 4 - 2 2 4 - 2 - 1 1 2 3 Figure 1: Problem 1, Part a When t= 0, we have x= 0 and y= 0, so as tincreases from 0 to ˇ, the curve is tracedAP Calculus AB Practice Exams Free Response Notes Videos Study Guides. Here are the resources you will need for the AP Calculus AB free response questions. Be sure to try out the prior year questions and check out the video solutions. Working through these problems is an important part of your FRQ test prep.2018 AP. CALCULUS BC FREE-RESPONSE QUESTIONS. CALCULUS BC. SECTION II, Part A. Time—30 minutes. Number of questions—2. A GRAPHING CALCULATOR IS REQUIRED FOR THESE QUESTIONS. 1. People enter a line for an escalator at a rate modeled by the function.Here are the full solutions for the 2014 AP Calculus Free Response Questions. These comprehensive solutions were written through the hard work of Mr. Calculus himself. The AP Calculus questions themselves are copyrighted by Collegeboard, and are not reproduced. However, you can easily view them from the Collegeboard website for AP Calculus.Document 98 pages. AP Calculus AB Exam: SECTION I: Multiple Choice ... AP Calculus Ab FRQ 2017. Document 7 pages. AP ... AP Calc BC Sem 1 Final Review. Document 12 ...Write your responses to this question only on the designated pages in the separate Free Response. booklet. Write your solution to each part in the space provided for that part. A particle, P, is moving along the x-axis. The velocity of particle P at time t is given by v t P () = sin t1.5. for 0 £ t £ p .Matador is a travel and lifestyle brand redefining travel media with cutting edge adventure stories, photojournalism, and social commentary. Sarah isn’t lying. Duncan, a village on...The College Board. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations. Each year, the College Board serves seven million students ...MCQ FRQ. Course. Calculus I (MATH 180) 285 Documents. University. University of Illinois at Chicago. Academic year: 2019/2020. Uploaded by: YD.AP Calculus BC Scoring Guide Unit 10 Progress Check: FRQ Part B Copyright © 2017. The College Board. These materials are part of a College Board program.AP® CALCULUS AB 2019 SCORING GUIDELINES Question 2 (a) vP is differentiable vP is continuous on 0.3 t 2.8. vP 2.8 vP 0.3 55 55 0 2.8 0.3 2.5 By the Mean Value Theorem, there is a value c, 0.3 c 2.8, such that vc P 0. — OR — vP is differentiable vP is continuous on 0.3 t 2.8. By the Extreme Value Theorem, vp has a minimum on 0.3, 2.8 .only. ==() () ()() ()() ′ (). (). (), < < . + +=+ ...1995 to 1999, the calculator could be used on all six free-response questions. Since the 2000 exams, the free-response section has consisted of two parts -- Part A (questions 1- ... and BC for the most current topic outline, as earlier exams may not reflect current exam topics. 1979 AB1 Given the function f defined by fx x x x( ) ...1988 AP Calculus AB Exam, Section 1 57 1988 AP Calculus BC Exam, Section 1 67 1993 AP Calculus AB Exam, Section 1 78 1993 AP Calculus BC Exam, Section 1 89 1997 AP Calculus AB Exam, Section 1 100 Part A 100 Part B 108 1997 AP Calculus BC Exam, Section 1 113 Part A 113 Part B 120 1998 AP Calculus AB Exam, Section 1 125 Part A 125 Part B 133In this video I show you how to solve a free-response question involving implicit differentiation. For more videos on derivatives, check out this playlist: ...AP® Calculus AB Scoring Statistics 2022 Free-Response Questions. Question. Mean. Standard Deviation. Number of Possible Points. 3.22. 2.24.The AP Calculus BC Exam will have both paper and digital formats in 2021. The paper administration is held on May 4, 2021 and May 24, 2021: Section I: Multiple Choice, 50% of exam score. No calculator: 30 questions (60 minutes) Calculator: 15 questions (45 minutes) Section II: Free Response, 50% of exam score.1988 AP Calculus AB Exam, Section 1 57 1988 AP Calculus BC Exam, Section 1 67 1993 AP Calculus AB Exam, Section 1 78 1993 AP Calculus BC Exam, Section 1 89 1997 AP Calculus AB Exam, Section 1 100 Part A 100 Part B 108 1997 AP Calculus BC Exam, Section 1 113 Part A 113 Part B 120 1998 AP Calculus AB Exam, Section 1 125 Part A 125 Part B 133Dr. Debra Rose Wilson is a professor, researcher, and holistic healthcare practitioner. She teaches graduate-level psychology and nursing courses. Dr. Wilson has over 200 publicati...Show the work that leads to your answer. Indicate units of mea sure. (b)Use a left Riemann sum with the four subintervals indicated by the table to estimate the total amount of2017 AP. CALCULUS BC FREE-RESPONSE QUESTIONS SECTION II, Part A. Time—30 minutes. Number of questions—2. A GRAPHING CALCULATOR IS REQUIRED FOR THESE QUESTIONS. 1. A tank has a height of 10 feet. The area of the horizontal cross section of the tank at height.on the curve. (a) Find the x- and y-coordinates of the point on the curve where the tangent line is. parallel to chord AB . (b) Find the area of the region R enclosed by the curve and the chord AB . (c) Find the volume of the solid generated when the region R , defined in part (b), is. revolved about the x-axis.AP Calculus 2010 BC FRQ Solutions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver June 7, 2017 1 Problem 1 1.1 Part a At 6 AM, 7 R 6 0 te costdtcubic feet of snow have accumulated. Integrating numerically, we find that 142:17469 cubic feet have accumulated by 6 AM. 1.2 Part bAP Calculus AB 2022 Free-Response Questions2019 AP Calculus AB & AP Calculus BC Exam Free Response Question #3Working with a graph; definite integral; sum or difference of definite integrals; definite...1998-2014 AP Calculus AB Multiple Choice 1998 Question 11 - 15 11. If f is a linear function and 0 0 < a < b, then 13. The graph of the function f shown in the figure above has a vertical tangent at the point (2,0) and horizontal tangents at the points (1, -1) and (3,1). AP Calculus AB Multiple Choice 1998 Exam (solutions ...Determine the x-coordinate of the point at which g has an absolute maximum on the interval - 4 £ x £ 3. Justify your answer. (c) Find all values of x on the interval - 4 < x < 3 for which the graph of g has a point of inflection. Give a reason for your answer. (d) Find the average rate of change of f on the interval - 4 £ x £ 3.1998 AP Calculus AB Scoring Guidelines 1. Let Rbe the region bounded by the x {axis, the graph of y= p x, and the line x= 4. (a) Find the area of the region R. (b) Find the value of hsuch that the vertical line x= hdivides the region Rinto two regions of equal area. (c) Find the volume of the solid generated when Ris revolved about the x {axis.Free Response Question #3 from the 1988 AP Calculus BC Exam.This problem involved related rates! An observer watches a balloon rise into the air and we find...

A GRAPHING CALCULATOR IS REQUIRED FOR THIS QUESTION. You are permitted to use your calculator to solve an equation, find the derivative of a function at a point, or calculate the value of a definite integral. However, you must clearly indicate the setup of your question, namely the equation, function, or integral you are using. If you use. Female army asu setup

1998 calc bc frq

Visit College Board on the web: collegeboard.org. AP® Calculus AB/BC 2023 Scoring Commentary. Question 1 (continued) In part (d) the response earned the first point for the correct value of g′ ( 140 ) . The response earned the second point with the statement “at t = 140 seconds, the rate of flow of gasoline is changing at a rate of − .005.1988 AP Calculus AB Exam, Section 1 57 1988 AP Calculus BC Exam, Section 1 67 1993 AP Calculus AB Exam, Section 1 78 1993 AP Calculus BC Exam, Section 1 89 1997 AP Calculus AB Exam, Section 1 100 Part A 100 Part B 108 1997 AP Calculus BC Exam, Section 1 113 Part A 113 Part B 120 1998 AP Calculus AB Exam, Section 1 125 Part A 125 Part B 133Title: Scoring Statistics from the 2023 AP Exam Administration: AP Calculus BC Author: College Board Subject: AP; Advanced Placement Keywords: 2023 AP Exam Administration; Scoring Statistics; score information; scoring resources; exam information; exam resources; teacher resources; AP; Advanced Placement; non-ADA1998-2014 AP Calculus AB Multiple Choice 1998 Question 11 - 15 11. If f is a linear function and 0 0 < a < b, then 13. The graph of the function f shown in the figure above has a vertical tangent at the point (2,0) and horizontal tangents at the points (1, -1) and (3,1). AP Calculus AB Multiple Choice 1998 Exam (solutions ...10. 1. in line 1. The correct antiderivatives, 2h2 and 1 t , are presented in line 2, and the response earned the second. 10 point. In lines 2 and 5, the response includes a constant of integration and uses the initial condition h 0 5 by substituting 0 for t and 5 for h. The response earned the third point.Find the volume of the solid generated when R is rotated about the horizontal line y 3. = −. Write, but do not evaluate, an integral expression that can be used to find the volume of the solid generated when R is rotated about the y-axis. ln ( x ) x = 2 when x 0.15859 and 3.14619. − = Let S 0.15859 and T = = 3.14619. (a) Area of.AP Calculus 2017 AB FRQ Solutions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver May 18, 2017 1 Problem 1 1.1 Part a The approximation with a left-hand sum using the intervals given is 50:32+14:43+6:55 = 176:3: (1) 1.2 Part b Time—30 minutes. Number of questions—2. A GRAPHING CALCULATOR IS REQUIRED FOR THESE QUESTIONS. 1. A tank has a height of 10 feet. The area of the horizontal cross section of the tank at height h feet is given by the function A, where A h is measured in square feet. The function A is continuous and decreases as h. () Walkthrough of the 2023 AP Calculus AB a d BC FRQ #3Website: http://www.bothellstemcoach.comPDF Solutions: https://www.bothellstemcoach.com/post/2023-ap-free...AP Calculus 1998 BC FRQ Solutions Louis A. Talman, Ph.D. Emeritus Professor of Mathematics Metropolitan State University of Denver September 28, 2017 1 Problem 1 1.1 Part a The area of the region Ris Z 2 0 8 x2=3 dx= 8x 2 5 x5=2 = 16 8 5 p 2 ˘13:73726: (1) 1.2 Part b The volume of the solid generated by revolving Rabout the x-axis is ˇ Z 2 0 ...In this video, we’ll unpack a sample free-response question—FRQ (Calculator Active).Download questions here: https://tinyurl.com/3du3uykmStay motivated and k...Since we are required to type in our answers for the AP Calc BC frq, will we be required to show our work as well? For a little bit yes. Take the digital practice, it gives an idea. Yes, as much as possible. The FRQs are graded with so many points for partial credit that you really need to show work to get credit (like you'll often get a point ...AP Calculus BC Scoring Guide Unit 7 Progress Check: FRQ Part B Copyright © 2017. The College Board. These materials are part of a College Board program.Complete Practice Tests. The College Board has released two complete exams from prior administrations of the AP Calculus AB exam. The tests are from 1988 and 1998. The 1988 test has an answer key included; however, for some reason, the 1998 exam does not. The College Board provided answers for the free-response questions in a separate document ....

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