Answer
$1.19$
Work Step by Step
If $y=Ab^{t},$
we are given $y=2A$ for $t=4$. Substitute and solve for b.
$2A=Ab^{4}\qquad/\div A$
$2=b^{4}\qquad/(...)^{1/4}$
$b=3^{1/4}\approx 1.19$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 9 - Section 9.3 - Logarithmic Functions and Models - Exercises - Page 658: 52a
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