Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 12 - Sequences; Induction; the Binomial Theorem - 12.1 Sequences - 12.1 Assess Your Understanding - Page 807: 37


$a_1=-2$ $a_2=0$ $a_3=3$ $a_4=7$ $a_5=12$

Work Step by Step

If $a_n=n+a_{n-1}$ and $a_1=-2$, then $a_2=2+a_1=2+(-2)=0$ $a_3=3+a_2=3+0=3$ $a_4=4+a_3=4+3=7$ $a_5=5+a_4=5+7=12$
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