Answer
$500(.98)^t$
Work Step by Step
The student plugged in the amount the function decreases for the decay factor. However the student should have plugged in $1-.02=.98$.
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 - 7.2 Graph Exponential Decay Functions - 7.2 Exercises - Skill Practice - Page 489: 26
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