Asked by Anonymous

Consider all rectangles with an area of 200 m squared. Let x be the length of one side of the rectangle.
A) Experss the perimeter of a function of x.

Answered by Reiny
then the width is 200/x
Perimeter(x) = 2(x + 200/x)
= 2x + 400/x
Answered by martin
1 x+2=3
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