Answer
Net change: 4
Average rate of change: $\frac{4}{3}$
Work Step by Step
We find the net change from $x=-1$ to $x=2$:
$f(2)-f(-1)=6-2=4$
Next we find the average rate of change for this interval:
$\frac{f(2)-f(-1)}{2-(-1)}=\frac{4}{3}$
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 - Chapter 2 Review - Exercises - Page 268: 53
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