Solve the problem.You have 108 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 54 ft, width: 27 ft
B. length: 27 ft, width: 27 ft
C. length: 81 ft, width: 27 ft
D. length: 54 ft, width: 54 ft
Answer: A
Mathematics
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A. 9x B. x C. 9xln e D. e9x
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Solve the problem.Given the following revenue and cost functions, find the maximum profit. (Recall that profit equals revenue minus cost.) R(x) = 80x - 2x2; C(x) = 24x + 100
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Find the equation that the given graph represents.
A. P(x) = 2x4 - x2 + 4 B. P(x) = 2x3 + x2 - 3x + 4 C. P(x) = -x3 - x - 4 D. P(x) = -x4 + x2 - 3x - 4
Mathematics