Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 4 - Polynomial and Rational Functions - 4.3 The Graph of a Rational Function - 4.3 Assess Your Understanding - Page 213: 73

Answer

$6$

Work Step by Step

Since $3\geq0$, $f(x)=5x-9$ applies to $x=3$, hence $f(3)=5\cdot3-9=15-9=6$.
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