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 the function P(x) representing the perimete

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 the function P(x) representing the perimete      Log On


   

Question 1045643: 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 the function P(x) representing the perimeter of the fencing material required.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

     .

x is the length of one side of this fence

area of 400 square meters A = Lw

A = 400 = x (400/x)

P = 2L + 2w

P(x) = 2x + 2(400/x)

P(x) = 2x + 800/x