Answer
See the graph
Work Step by Step
We are given: $f(x)=-3x+9$
Domain: $(-\infty,5)$
For $x=5 \rightarrow y=-6$:
From the graph, you can see that the range
is $y\gt6$. The graph is unbroken, so the function is
continuous.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 2 Linear Equations and Functions - Extension - Use Discrete and Continuous Functions - Practice - Page 81: 3
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