A square piece of cardboard measuring x inches by x inches is to be used to form an open
Chapter 5, Problem 60(choose chapter or problem)
A square piece of cardboard measuring x inches by x inches is to be used to form an open box by cutting off 2-inch squares, as shown in the figure. a. Express the length of the sides of the base of the box in terms of x. b. Write a function V(x) that represents the volume. c. If the volume of the box must be greater than 128 cubic inches, what are the minimum dimensions of the square cardboard that can be used?
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