Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 9 - Conic Sections, Sequences, and Series - 9.3 Arithmetic Sequences - 9.3 Exercises - Page 727: 7



Work Step by Step

$f(n)=3^n-20$ $f(1)=3^1-20=-17$ $f(2)=3^2-20=-11$ $f(3)=3^3-20=7$ $f(4)=3^4-20=61$ $f(5)=3^5-20=223$
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