Answer
Domain: All real numbers
Range: $[-5,5]$
Work Step by Step
The domain of a cosine function is all real numbers.
Since the range of $\cos x$ is $[-1,1]$, the range of $-5 \cos x $ is $[-5,5]$
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter P - P.3 - Functions and Their Graphs - Exercises - Page 27: 40
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