![]() Calculate/Write an expression: Write an appropriate expression or equation to answer a question.Approximate: Use rounded decimal values or other estimates in calculations, which require writing an expression to show work.Here are the task verbs you’ll see on the exam: Each one directs you to complete a specific type of response. Pay close attention to the task verbs used in the free-response questions. Free-response questions and scoring guidelines are available on the Exam Preparation section of the Exam page for AP Calculus AB. Practice!Īnswering free-response questions from previous AP Exams is a great way to practice: it allows you to compare your own responses with those that have already been evaluated and scored. Store partial answers in your calculator so that you can use them unrounded in further calculations. Simply saying that the second derivative equals zero or is undefined is not a justification. When asked to justify or to explain an answer, think about how that can be done.įor example, if you are asked to justify a point of inflection, you need to show that the sign of the second derivative changes. Be sure to express your answer in correct units if units are given and always provide a justification when it is asked for. Be sure to fully answer the question being asked.įor example, if a question asks for the maximum value of a function, do not stop after finding the x-value at which the maximum value occurs. If the answer to a later part of a question depends on the answer to an earlier part, you may still be able to receive full credit for the later part, even if that earlier answer is wrong. For example, you may receive no credit for your answer to part (a), but still receive full credit for part (b), (c), or (d). Credit for each part is awarded independently, so you should attempt to solve each part. ![]() Many free-response questions are divided into parts such as (a), (b), (c), and (d), with each part calling for a different response.
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