A circle has an initial radius of 50 ft. when the radius begins decreasing at the rate of 3 ft/min. What is the rate in the change of area at the instant the radius is 28 ft?
A circle has an initial radius of 50 ft. when the radius begins decreasing at the rate of 3 ft/min. What is the rate in the change of area at the instant the radius is 28 ft?
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