Solve the problem. Assume that relative maximum and minimum values are absolute maximum and minimum values.A rectangular metal tank with an open top is to hold 256 cubic feet of liquid. What are the dimensions of the tank that require the least material to build?

A. 8 ft by 8 ft by 4 ft
B. 16 ft by 4 ft by 4 ft
C. 2 ft by 2 ft by 64 ft
D. 2 ft by 16 ft by 4 ft


Answer: A

Mathematics

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