Solve the problem.You have 84 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: 21 ft, width: 21 ft
B. length: 63 ft, width: 21 ft
C. length: 42 ft, width: 21 ft
D. length: 42 ft, width: 42 ft
Answer: C
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A. m = -10 B. m = -5 C. m = 10 D. m = 5
Given that ? is an angle in standard position whose terminal side contains the given point, provide the exact value of the indicated function.(-4, -3) Find sec ?.
A. - 
B. 
C. 
D. - 
Find the present value or future value. Round to the nearest cent.Present Value: 
Interest Rate: 7.4%Time: 158 daysFuture value: $121
A. $117.14 B. $107.55 C. $117.19 D. $117.74
For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: none; Absolute minimum: f(1) = 2 B. Absolute maximum: f(4) = 7; Absolute minimum: none C. Absolute maximum: none; Absolute minimum: none D. Absolute maximum: f(4) = 7; Absolute minimum: f(1) = 2