Answer
(a) $ 4$
(b) $ 2$
(c) $ 5$
Work Step by Step
Use the given piece-wise function, we have:
(a) $f(-2)=(-2)^2=4$
(b) $f(0)=2$
(c) $f(2)=2(2)+1=5$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 2 - Functions and Their Graphs - 2.4 Library of Functions; Piecewise-defined Functions - 2.4 Assess Your Understanding - Page 90: 27
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