AP Calculus BC · Free-response questions 2012

6 questions, each with its course unit and the official scoring guidelines.

Question 5

Open answer
Question 5 — 5. The rate at which a baby bird gains weight is proportional to the difference between its adult weight and its current weight. At time 0, t when the bird is first weighed, its weight is 20 grams. If B t is the weight…

Source: College Board — AP Calculus BC, Free-response questions, 2012

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