Question: A circle has an initial radius of 50 ft when the radius begins decreasing at the rate of 2 fu/min. What is the rate in

A circle has an initial radius of 50 ft when the

A circle has an initial radius of 50 ft when the radius begins decreasing at the rate of 2 fu/min. What is the rate in the change of area at the instant that the radius is 26 1t? Write an equation relating the area of a circle, A, and the radius of the circle, r. (Type an exact answer, using x as needed.)

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