Solve the problem.What are the dimensions of a rectangular box, open at the top, which has maximum volume when the surface area is 48 in.2?
A. x = 4 in., y = 4 in., z = 2 in.
B. x = 4 in., y = 2 in., z = 2 in.
C. x = 8 in., y = 2 in., z = 6 in.
D. x = 6 in., y = 6 in., z = 3 in.
Answer: A
Mathematics
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