Beth has 3,000 feet of fencing available to enclose a rectangular field. One side of the field lies along a river, so only three
sides require fencing.(a) express the area a of the rectangle as a function of x, where x is the length of the side parallel to the river.
1 answer:
A(x) = (3000-x)/2 * x
a(x)=(1500-½x)*x
a(x)=1500x-½x²
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