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A farmer wants to enclose a rectangular field along a river on three sides. If 4,800 feet of fencing is to be used, what dimensions will maximize the enclosed area Mathematics
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Apr 10, 2018
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A farmer wants to enclose a rectangular field along a river on three sides. If 4,800 feet of fencing is to be used, what dimensions will maximize the enclosed area
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so hmmm, notice the picture below
the perimeter is just w + w + l or 2w+l
thus
take the derivative of A(w), then zero it out to get the critical points, and do a first-derivative test on the critical points for any maxima between 0 and 4800
Eroak
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Apr 16, 2018
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