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Suppose that a forest fire Spreads in a circle with a radius changing rate at rate of 5 feet per min. When the radius reaches 200 ft, at what rate is...

Suppose that a forest fire Spreads in a circle with a radius changing rate at rate of 5 feet per min. When the radius reaches 200 ft, at what rate is the area of the burning region increasing?
optimization question in calc I show all work?

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Dear Student, Clarification : " rate of area change can be found by taking derivative wrt time and then there will... View the full answer

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