Answer
$A_{n}=-1\times(-5)^n$
Work Step by Step
The successive terms are being multiplied by -5. Also the first term is 5 so we must add a coefficient of -1 to the sequence. The nth term is Thus the answer is $A_{n}=-1\times(-5)^n$.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 12 - Section 12.1 - Sequences and Summation Notation - 12.1 Exercises - Page 851: 33
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