College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 2 - Section 2.3 - Functions - 2.3 Exercises - Page 201: 62

Answer

a) $f(2)=-3$ b) $f(-1)=2$

Work Step by Step

a) When $x=2,$ the corresponding $y-$value in the given graph is $ -3 .$ Hence, \begin{array}{l}\require{cancel} f(2)=-3 .\end{array} b) When $x=-1,$ the corresponding $y-$value in the given graph is $ 2 .$ Hence, \begin{array}{l}\require{cancel} f(-1)=2 .\end{array}
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