Answer
a) 61.9164 billion dollars
b) 312.1755 billion dollars
Work Step by Step
a)
$2005-2003=2$
$y=39*(1.26)^t$
$y=39*(1.26)^2$
$y=39*1.5876$
$y=61.9164$
b)
$2012-2003=9$
$y=39*(1.26)^t$
$y=39*(1.26)^9$
$y=39*8.0045$
$y=312.1755$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 12 - Section 12.3 - Exponential Functions - Exercise Set - Page 862: 40
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