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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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Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00 Edition Edition
ISBN: 9780395977224
Author: Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher: McDougal Littell
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Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
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