Answer
$-45$
Work Step by Step
use the formula $a_{n}=4+(n+1)(-7)$ where n = 8
$x_{y}=4+(8-1)(-7)$
$=4-49$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.1 - Page 717: 105
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