Answer
(a) $ 6$
(b) $ 0$
(c) $ 1$
Work Step by Step
Use the given piece-wise function, we have:
(a) $f(-2)=-3(-2)=6$
(b) $f(-1)=0$
(c) $f(0)=2(0)^2+1=1$
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: 28
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