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

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.CT: Chapter Test
Problem 1CT
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Express the area A of a rectangle as a function of the length x if the length of the rectangle is twice its width.

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