Answer
$Σ_{i=0}^{4}3i+7$
Work Step by Step
The common difference between the numbers is 3 so the formula will be 3i + b. b=7 if the first term is zero.
$Σ_{i=0}^{4}3i+7$
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 - 12.1 Define and Use Sequences and Series - 12.1 Exercises - Skill Practice - Page 798: 37
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