Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.2 - Basics of Functions and Their Graphs - Exercise Set: 66

Answer

$f(2) = -4$

Work Step by Step

RECALL: $f(a)$ represents the value of the function $f$ when $x=a$. To find the value of $f(2)$, look for the point on the graph where $x=2$. Notice that the graph contains the point $(2, -4)$. Thus, $f(2) = -4$.
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