A billboard designer has decided that a sign should have 5 ft margins at the top and bottom and 1 ft margins on the left and

Question

A billboard designer has decided that a sign should have 5 ft margins at the top and bottom and 1 ft margins on the left and right sides Furthermore the billboard should have a total area of 4500 ft including the margins Printed Region If x denotes the left right width in feet of the billboard determine the value of x that maximizes the area of the printed region of the billboard X feet

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