Mathematics, 01.12.2021 01:00, priscilaannmendez

rock is thrown into a still pond. The circular ripples move outward from the point of impact of the rock so that the radius of the circle formed by a ripple increases at the rate of 4 feet per minute. Find the rate at which the area is changing at the instant the radius is 9 feet.

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rock is thrown into a still pond. The circular ripples move outward from the point of impact of the...