AP Calculus AB: Unit 4: Contextual Applications of Differentiation

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Question 4 · Unit 4: Contextual Applications of Differentiation · foundation

A particle's position is s(t) = t^3 - 6t^2 + 9t metres. What is its velocity at t = 2 seconds?A. -3 m/sB. -2 m/sC. 0 m/sD. 3 m/s

Question 12 · Unit 4: Contextual Applications of Differentiation · challenge

The radius of a circle increases at 2 cm/s. At the instant its radius is 3 cm, at what rate does its area increase?A. 6 pi cm^2/sB. 9 pi cm^2/sC. 12 pi cm^2/sD. 18 pi cm^2/s

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