SOLUTION: Beth has 4500 feet of fencing available to enclose a rectangular field. One side of the field lies along a river, so only three sides require fencing. Express the area A of the rec

Question 337773: Beth has 4500 feet of fencing available to enclose a rectangular field. One side of the field lies along a river, so only three sides require fencing. Express the area A of the rectangle as a function of x, where x is the length of the side parallel to the river.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

From that,

The area of a rectangle is,

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