Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - 12.3 Analyze Geometric Sequences and Series - 12.3 Exercises - Quiz for Lessons 12.1-12.3 - Page 817: 16

Answer

$a_n=2057(1.06)^{n-1}$ Tuition for $2002: \$ 3093$

Work Step by Step

The general formula for the nth term of a geometric series is given by $a_n= a_1r^{n-1}$ ...(1) The ratio of successive terms is $r=106 %=1.06$ Here, $n=(2002-1995) +1=8$ Equation (1) gives: $a_8= 2057 \times \times (1.06)^{8-1}= 2057 \times \times (1.06)^{7} =\$ 3093$ Hence, $a_n=2057(1.06)^{n-1}$ Tuition for $2002: \$ 3093$
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