College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 2 - Functions and Graphs - Exercise Set 2.4: 17

Answer

$\frac{1}{5}$

Work Step by Step

f(4)=2, f(9)=3 $\frac{3-2}{9-4}$=$\frac{1}{5}$ Average rate of change=$\frac{1}{5}$
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