David has available 2800 yards of fencing and wishes to enclose a rectangular area. (a) Express the area A of the rectangle as a function of the width W of the rectangle. (b) For what value of W is the area largest? (c) What is the maximum area?

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A: We have to find value of h & w for maximum Area.

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A: We will solve the problem

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A: Since, the height y (in feet) of a ball thrown by a child is:-y=-116x2+4x+3 -(i)where x is the…