College Algebra 7th Edition

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

Chapter 2, Functions - Section 2.4 - Average Rate of Change of a Function - 2.4 Exercises: 7

Answer

(a) 2 (b) $\frac{2}{3}$

Work Step by Step

(a) We calculate the net change between the two points given: Net change = $f(4)-f(1)=5-3=2$ (b) We calculate the average rate of change between $(1,3)$ and $(4,5)$: Average rate of change = $\frac{5-3}{4-1}=\frac{2}{3}$
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