14. The Great Pyramid at Giza in Egypt has a square base about 750 feet on each side, and is about 480 feet high at the summit. (a) Taking the numbers above to be accurate, find a formula for the area of a cross section parallel to the ground at a height of y feet.

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A: Note: As per our guidelines we are supposed to answer only one question. Kindly repost the other…

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A: topic - application of derivatives

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A: topic - functions and application of derivatives