Solve the problem.From a 50-inch by 50-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x.
A. V(x) = 2x3 - 150x2
B. V(x) = 4x3 - 200x2 + 2500x
C. V(x) = 2x3 - 150x2 + 50x
D. V(x) = 4x3 - 200x2
Answer: B
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A. 
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