Answer
$a_n=4n-1$
Work Step by Step
$a_1=3=4(1)-1$
$a_2=7=4(2)-1$
$a_3=11=4(3)-1$
$a_4=15=4(4)-1$
$a_5=19=4(5)-1$
Each term is 1 less four times $n$: $a_n=4n-1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.1 - Sequences and Series - 11.1 Exercises - Page 777: 37
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