Algebra 2 (1st Edition)

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 - Problem Solving - Page 484: 36a


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Work Step by Step

If for an exponential function $y=ab^x$ $a\gt0,b\gt1$, then it is an exponential growth function and $b$ is the growth factor. $a$ is the initial amount and the percent increase is $b-1$. Hence here the initial amount is $2500$, the percent increase is $1.5-1=0.5$, and the growth factor is $1.5$.
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