Precalculus: Mathematics for Calculus, 7th Edition

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: 13

Answer

a) -5 b) -1

Work Step by Step

a) $h(-4)=-(-4)+\frac{3}{2}=4+\frac{3}{2}=\frac{11}{2}$ $h(1)=1+\frac{3}{2}=\frac{1}{2}$ $h(1))-h(-4)=\frac{1}{2}-\frac{11}{2}=-5$ b) $\frac{\frac{1}{2}-\frac{11}{2}}{1--4}=-5/5=-1$
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