February 20, 2017

Homework Help: AP calculus AB

Posted by jennifer on Wednesday, December 29, 2010 at 4:40am.

A spherical balloon is being filled with air in such a way that its radius is increasing at a rate of 2 centimeters per second. At what rate is the volume of the balloon changing at the instant when its surface has an area of 4 pi square centimeters.

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