Answer
$f(2x)=6x-1$
$2f(x)=6x-2$
Work Step by Step
We are given:
$f(x)=3x-1$
We evaluate:
$f(2x)=3(2x)-1=6x-1$
$2f(x)=2(3x-1)=6x-2$
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 2.1 - Functions - 2.1 Exercises - Page 193: 36
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