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September 2, 2015

Homework Help: Calculus Homework

Posted by Kelly on Tuesday, October 15, 2013 at 9:54pm.

Let A(t) be the (changing) area of a circle with radius r(t), in feet, at any time t in min.
If the radius is changing at the rate of dr/dt =3ft/min, find the rate of change
of the area(dA/dt) at the moment in time when r = 16 ft

dA/dt=

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