A 16-inch-wide sheet of metal is to be bent into a rectangular trough with the cross section.
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a = 16
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Find the dimensions that will maximize the amount of water the trough can hold. That is, find the dimensions that will maximize the cross-sectional area.
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A. d = 4 in., w = 12 in.
B. d = 4 in., w = 8 in.
C. d = 4 in., w = 4 in.
D. d = 3.2 in., 2 = 6.4 in.
E. d = 8 in., w = 8 in.
Answer: B
Mathematics
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