SOLUTION: The area A of a rectangle is length l times its width w. Express the area of the rectangle as a function of its width if the perimeter is 2 meters.(Show the solution). a. A = 2w(l

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Question 1102210: The area A of a rectangle is length l times its width w. Express the area of the rectangle as a function of its width if the perimeter is 2 meters.(Show the solution).
a. A = 2w(l-w)
b. A = w-w^2
c. A = 2w(w-l)
d. A = lw^2

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
P=2*(length + width)
2=2*(length + width)
1=length + width
length =1-width
A=length * width
substitute
A= width*(1-width)
A=width-width ^2
A=w-w^2