Answer
a.) none
b.) [-4,2]
c.) x$\leq$-4 or x$\geq$2
Work Step by Step
The function is decreasing from -4 to 2 but it is never increasing. The function is constant when x is less than -4 and when it is greater than 2.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Functions and Graphs - Exercise Set 2.2 - Page 238: 12
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