Precalculus (6th Edition)

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: 76

Answer

(a) $f(-2) = 3$ (b) $f(0) = 3$ (c) $f(1) = 3$ (d) $f(4) = 3$

Work Step by Step

RECALL: If $(a, b)$ is on the graph of the function $y=f(x)$, then $f(a) = b$. (a) The graph of the function $y=f(x)$ contains the point $(-2, 3)$. Thus, $f(-2) = 3$. (b) The graph of the function $y=f(x)$ contains the point $(0, 3)$. Thus, $f(0) = 3$. (c) The graph of the function $y=f(x)$ contains the point $(1, 3)$. Thus, $f(1) = 3$. (d) The graph of the function $y=f(x)$ contains the point $(4, 3)$. Thus, $f(4) = 3$.
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