Solve the problem.A rectangular piece of cardboard measuring 20 inches by 41 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.
A. 19.14 in.
B. 16.09 in.
C. 4.25 in.
D. 32.17 in.
Answer: C
Mathematics
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