Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.7 - Modeling with Equations - 1.7 Exercises - Page 75: 15

Answer

4w$^{2}$

Work Step by Step

In this case we are told that the rectangle is 4times longer than it is wide ,and we are supposed to express its area, which is: 4w$\times $w = 4w$^{2}$ where w is its width and 4w its length expressed in terms of width
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