Answer
$a_{0}=1$
$a_{1}=2$
$a_{2}=4$
$a_{3}=7$
$a_{4}=11 $
Work Step by Step
$a_{0}=1$
$a_{1}=1+1=2$
$a_{2}=a_{1}+2=2+2=4$
$a_{3}=a_{2}+3=4+3=7$
$a_{4}=a_{3}+4=7+4=11 $
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 12 Sequences and Series - 12.5 Use Recursive Rules with Sequences and Functions - Guided Practice for Examples 1 and 2 - Page 828: 3
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