Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 2 - Section 2.6 - Function Notation and Linear Functions - 2.6 Exercises - Page 202: 33

Answer

a. -1, b. -1

Work Step by Step

We want $f(2)$, the y-value of the order pair whose first component is $x=2$. As indicated by the ordered pair, $(2,-1)$, for $x=2$, $y=-1$. Thus, $f(2)=-1$. We want $f(-1)$, the y-value of the order pair whose first component is $x=-1$. As indicated by the ordered pair, $(-1,-1)$, for $x=-1$, $y=-1$. Thus, $f(-1)=-1$.
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