SOLUTION: Please help me solve this question Suppose the longer side of a rectangle has twice the length of shorter side, and if x is length of shorter side, express the perimeter of the

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Question 1064297: Please help me solve this question
Suppose the longer side of a rectangle has twice the length of shorter side, and if x is length of shorter side, express the perimeter of the rectangle as a function of x.

Answer by rothauserc(4718)   (Show Source): You can put this solution on YOUR website!
Perimeter(P) of a rectangle = 2l + 2w, where l is the rectangle's length and w is the width
:
we are given l = 2x and w = x, then
:
P = 2(2x) + 2x = 6x
:
*********
f(x) = 6x
*********
:

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