You have 180 ft of fencing to construct the boundary of a rectangle. The rectangle has length I and width w. • Write the

Question

You have 180 ft of fencing to construct the boundary of a rectangle. The rectangle has
length I and width w.
• Write the perimeter P and area A of the rectangle in terms of I and w.
• Write A in terms of w only. Hint: use substitution.
• Find w that maximizes the area.
• What is the corresponding / that maximizes the area?
• What is the maximum area?

Kunduz · Accepted Answer

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