Answer
a) 3
b) 3
Work Step by Step
a) $f(2)=3\times2-2=6-2=4$
$f(3)=3\times3-2=9-2=7$
$f(3)-f(2)=7-4=3$
b) $\frac{9-6}{3-2}=3$
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 2.4 - Average Rate of Change of a Function - 2.4 Exercises - Page 188: 11
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