Answer
$f(3) = 4$ is true.
Work Step by Step
RECALL:
If $(a, b)$ is on the graph of the function $y=f(x)$, then $f(a) = b$.
Thus, if $(3, 4)$ is on the graph of $y=f(x)$, then $f(3) = 4$.
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: 83
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