College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 8, Sequences and Series - Section 8.1 - Sequences and Summation Notation - 8.1 Exercises - Page 601: 21

Answer

$a_1=7$ $a_2=11$ $a_3=15$ $a_4=19$ $a_5=23$ $a_6=27$ $a_7=31$ $a_8=35$ $a_9=39$ $a_{10}=43$

Work Step by Step

$a_n=4n+3$ $a_1=4(1)+3=4+3=7$ $a_2=4(2)+3=8+3=11$ $a_3=4(3)+3=12+3=15$ $a_4=4(4)+3=16+3=19$ $a_5=4(5)+3=20+3=23$ $a_6=4(6)+3=24+3=27$ $a_7=4(7)+3=28+3=31$ $a_8=4(8)+3=32+3=35$ $a_9=4(9)+3=36+3=39$ $a_{10}=4(10)+3=40+3=43$
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