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  • 15-09-2018
  • Mathematics
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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.

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lesliekolleroxrkcf lesliekolleroxrkcf
  • 15-09-2018
a(x) = (3000-x)/2 * x
a(x)=(1500-½x)*x
a(x)=1500x-½x²
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