Answer
$a=1, b=1.4$
Work Step by Step
The growth factor has an exponent. There appears to be no initial amount; however, 1 multiplied by any amount is that amount. Thus, the initial amount is 1.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 7 - Exponents and Exponential Functions - 7-7 Exponential Growth and Decay - Practice and Problem-Solving Exercises - Page 459: 12
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