Solve.An open-top rectangular box has a square base and it will hold 256 cubic centimeters (cc). Each side of the base has length x cm. The box's surface area S is given byS(x) =  + x2.
Estimate the minimum surface area and the value of x that will yield it.

A. 192 cm2 when x = 8 cm
B. 256 cm2 when x = 6 cm
C. 207 cm2 when x = 6 cm
D. 256 cm2 when x = 8 cm


Answer: A

Mathematics

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