Answer
$f(x)=x+1$
$g(x)=2x$
$f\circ g(x)=2x+1$
$g\circ f(x)=2(x+1)=2x+2$
Work Step by Step
$f(x)=x+1$
$g(x)=2x$
$f\circ g(x)=f[g(x)]=g(x)+1=2x+1$
$g\circ f(x)=g[f(x)]=2\cdot f(x)=2(x+1)=2x+2$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 2 - Section 2.7 - Combining Functions - 2.7 Exercises - Page 216: 4
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