Answer
$-4$
Work Step by Step
Based on the given graph in the exercise, locate $x=3$ horizontally, then go down to reach the graph, read its vertical coordinate as $f(3)=-4$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 2 - Graphs and Functions - 2.3 Functions - 2.3 Exercises - Page 217: 85
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