Answer
See below.
Work Step by Step
As we can see from the graph:
a) $f(x)=20$ when $x=5$
b) $f(x)=60$ when $x=-15$
c) $f(x)=0$ when $x=15$
d) $f(x)\gt20$ when $x\lt5$
e) $f(x)\leq60$ when $x\geq-15$
f) $0\lt f(x)\lt60$ when $-15\lt x\lt15$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 4 - Section 4.1 - Properties of Linear Functions and Linear Models - 4.1 Assess Your Understanding - Page 281: 32
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