A Rectangular Piece of Cardboard Measuring 15 Inches by 29

question 90

Multiple Choice

A rectangular piece of cardboard measuring 15 inches by 29 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each
Such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.

• A) 13.79 in.
• B) 3.15 in.
• C) 11.52 in.
• D) 23.04 in.

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