SOLUTION: A rectangular piece of cardboard is 7 inches long and 5 inches wide. From each corner, a square piece is cut out, and then the flaps are turned up to form an open box. Use a graphi

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Question 869896: A rectangular piece of cardboard is 7 inches long and 5 inches wide. From each corner, a square piece is cut out, and then the flaps are turned up to form an open box. Use a graphing utility to determine the length (to the nearest tenth) of a side of the square pieces so that the volume of the box is as large as possible
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x is the edge length of the square corner cut for each corner.
volume will be %287-2x%29%285-2x%29x.

Finding very nearly 0.953 for x to get maximum volume of 15 cubic inches.
( 15.02 cu in )