1985 AP Calculus Exam FRQ AB #5 & BC #2 (Related Rates)

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Free Response Question #5 from the 1985 AP Calculus AB Exam.
Free Response Question #2 from the 1985 AP Calculus BC Exam.

This problem involved related rates! A balloon that's a cylinder with a hemisphere at each end is described; we find the height of the cylinder at a specific instant and the rate of change of the height of the cylinder at that time.

Solving old Free Response Questions (FRQs) is the best way to prepare for the AP Calculus exam! Even the really old problems still have a lot of value!
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