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A campground owner has 1900 m of fencing. He wants to enclose a rectangular field bordering...

A campground owner has 1900 m of fencing. He wants to enclose a rectangular field bordering a river, with no fencing along the river. Let x represent the width of the field. a)Write an expression for the length of the field. b)Find the area of the field (area=length x width) c)Find the value of x leading to the maximum area. d)Find the maximum area.

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