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 - 6.3 Perform Function Operations and Composition - Guided Practice for Examples 4, 5, and 6 - Page 431: 12


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Work Step by Step

Given: $f(x)=3x-8\\g(x)=2x+7$ $f(g(x))=f(2x+7)=3(2x+7)-8=6x+14$ $g(f(x))=g(3x-8)=2(3x-8)+7=6x-9$ $f(f(x))=f(3x-8)=3(3x-8)-8=9x-32$
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