Algebra 2 (1st Edition)

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

Chapter 8 Rational Functions - 8.1 Model Inverse and Joint Variation - 8.1 Exercises - Skill Practice - Page 556: 35

Answer

$g(x)=\frac{2}{x}$ and $f(x)=2x$

Work Step by Step

$f(x)=2x$ is a direct variation function and $g(x)=2/x$ is an inverse variaion function. $h(x)=f(x)+g(x)=2x+2/x$ and $h(2) =2\times 2+2/2=4+1=5$ This is one of the many solutions possible for this question.
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