Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 1 - Functions and Their Graphs - Section 1.2 The Graph of a Function - 1.2 Assess Your Understanding: 4

Answer

$f(5) = -3$

Work Step by Step

since (5, -3) is a point on the graph f(x), when x = 5, y = -3 Thus, when x inside f(x) is substituted with 5, the result would be -3. So $f(5)=-3$
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