SOLUTION: A fence is to enclose a rectangular vegetable farm with an area of 400 square meters. If x is the length of one side of this fence, find a function P(x) representing the perimeter

Algebra ->  Rational-functions -> SOLUTION: A fence is to enclose a rectangular vegetable farm with an area of 400 square meters. If x is the length of one side of this fence, find a function P(x) representing the perimeter       Log On


   

Question 1098571: A fence is to enclose a rectangular vegetable farm with an area of 400 square meters. If x is the length of one side of this fence, find a function P(x) representing the perimeter of the fencing material required.
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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If  "x is the length of one side of this fence" (in meters), then the length of an adjacent side (of ANY adjacent side) is 400%2Fx meters.


Thus the perimeter P(x) is equal to  P(x) = x + 400%2Fx + x + 400%2Fx = 2x + 800%2Fx meters.


Answer.  P(x) = 2x + 800%2Fx meters.