Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - 11.2 - Arithmetic Sequences and Partial Sums - 11.2 Exercises - Page 786: 37


$a_1=15$ $a_2=19$ $a_3=23$ $a_4=27$ $a_5=31$

Work Step by Step

$a_1=15,~~a_{n+1}=a_n+4$ $a_2=a_1+4=15+4=19$ $a_3=a_2+4=19+4=23$ $a_4=a_3+4=23+4=27$ $a_5=a_4+4=27+4=31$
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