Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - Review Exercises: Chapter 4 - Page 299: 46



Work Step by Step

The perimeter is the sum of the side lengths. Thus, the perimeter is: $$ w+3+w+3+w+w \\ 4w+6$$ Using the equation for the area of a rectangle, we find: $$ A=w(w+3) \\ A=w^2+3w$$
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