College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Chapter 2 Review - Exercises - Page 268: 54


Net change: -6 Average rate of change: -3

Work Step by Step

We find the net change from $x=1$ to $x=3$: $f(3)-f(1)=-1-5=-6$ Next we find the average rate of change for this interval: $\frac{f(3)-f(1)}{3-1}=\frac{-6}{2}=-3$
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