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 7 - Functions and Graphs - Mid-Chapter Review - Mixed Review - Page 470: 15

Answer

$$ -1\ And\ 4.5$$

Work Step by Step

To see if there are any inputs where the output is 1, we draw a horizontal line at $y=1$ and examine each intersection between this horizontal line and the graph. Thus, it follows that the inputs for which the output is 1 are: $$ -1\ And\ 4.5$$
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