College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 3 - Section 3.4 - Library of Functions; Piecewise-defined Function - 3.4 Assess Your Understanding: 29

Answer

(a) -4 (b) -2 (c) 0 (d) 25

Work Step by Step

We plug in the $x$ values into the the piece of the graph whose interval includes that $x$ value: (a) $f(0)=2(0)-4=-4$ (b) $f(1)=2(1)-4=-2$ (c) $f(2)=2(2)-4=0$ (d) $f(3)=(3)^{3}-2=25$
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