Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1-9 - Cumulative Review: 28

Answer

Domain is $x \ne - 9, -2$

Work Step by Step

Set the denominator equal to $ 0 $ and solve for $x$. $x^{2} + 7x - 18 = 0$ $(x + 9) (x-2) = 0$ $x = -9, -2$ $x \ne - 9, -2$
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