Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 6 Rational Exponents and Radical Functions - 6.4 Use Inverse Functions - 6.4 Exercises - Skill Practice - Page 443: 45


The proof is below.

Work Step by Step

The proof can be made as follows: 1. Given: A function $mx+b$ where m is not 0. 2. mx+b is a linear equation. 3. If m is not 0, then the line is not horizontal. 4. If the line is not horizontal, then the linear function will pass the horizontal line test. 5. If the linear function passes the horizontal line test, then its inverse is a function.
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