Answer
The graph is shifted down by 4.
Work Step by Step
We see that $k$ is how much the graph is shifted up or down. Thus, if $k$ decreases by $4$, the graph will shift four units down.
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 7 Exponential and Logarithmic Functions - 7.1 Graph Exponential Growth Functions - 7.1 Exercises - Skill Practice - Page 483: 33d
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