Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - 7-8 Geometric Sequences - Practice and Problem-Solving Exercises - Page 472: 61


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Work Step by Step

The starting value $A_1$ is $-7$. The common diffrence $d$ is $4$. The recursive formula is $A(1)=-7; A(n)=A(n-1)+4$ The explicit formula is: $A(n)=-7+(n-1)4$
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