Answer
f(x) = x + 1
g(x) = 2x
fog(x) = 2x +1
gof(x) = 2(x + 1)
Work Step by Step
f(x) = (x + 1)
g(x) = (x $\times$ 2) = 2x
fog(x) = f(g(x)) = f(2x) = 2x + 1
gof(x) = g(f(x)) = g(x+1) = 2(x + 1)
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 2, Functions - Section 2.7 - Combining Functions - 2.7 Exercises - Page 252: 4
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