Answer
Domain is $x \ne - 9, -2$
Work Step by Step
Set the denominator equal to $ 0 $ and solve for $x$.
$x^{2} + 7x - 18 = 0$
$(x + 9) (x-2) = 0$
$x = -9, -2$
$x \ne - 9, -2$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 1-9 - Cumulative Review - Page 761: 28
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