Answer
$$y=\frac{x+9}{4}$$
Work Step by Step
Solving for the inverse by switching $x$ and $y$, we obtain:
$$x=4y-9\\ y=\frac{x+9}{4}$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 10 Counting Methods and Probability - 10.1 Apply the counting Principles and Permutations - 10.1 Exercises - Mixed Review - Page 689: 78
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