Posted by **Andy G** on Wednesday, January 22, 2014 at 8:10pm.

A page that is x inches wide and y inches high contains 30 square inches of print. The top and bottom margins are 2 inches deep, and the margins on each side are 2 inches wide.

a. draw a diagram that gives a visul representation of the problem.

b. show that the total area A on the page is A=2x(2x+7)/(x-4)

c. determine the domain of the fuction based on the physical constraints of the problem.

d. use a graphing utility to graph the area function and approximate the page size for which the least amount of paper will be used.

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