Answer
$\frac{2(x+1)}{x-1}$
Work Step by Step
$f(x)=2x-6$
$\frac{f(x)-f(-1)}{x-1}$
$=\frac{(2x-6)-(2(-1)-6)}{x-1}$
$=\frac{2x-6+8}{x-1}$
$=\frac{2x+2}{x-1}$
$=\frac{2(x+1)}{x-1}$
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter P - Review Exercises - Page 37: 38
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