Question

Express the area A of a rectangle as a function of the width W if the length of the rectangle is twice its width.

Area A of a rectangle is ____

The wording has me really confused all I know is A= L*W


I
L = 2W
A = L*W = 2W*W = 2W^2

makes sense, since the area of a square with side W is W^2, and you basically have two squares, right?

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