Answer
See below:
Work Step by Step
We know that this is an arithmetic sequence because each successive term is the previous one plus 2.
Thus the next term is $$7+2=9$$
And the rule would be $d*(n-1) +a_0$ or $2*(n-1)+1 = 2n-1$
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 - 12.3 Analyze Geometric Sequences and Series - 12.3 Exercises - Quiz for Lessons 12.1-12.3 - Page 817: 1
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