Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 12 - Section 12.2 - Arithmetic Sequences - 12.2 Exercises - Page 857: 5


a. $7,10,13,16,19$ b. $3$ c. see below .

Work Step by Step

a. $a_{1}=7+3(1-1)=7$, $a_{2}=7+3(2-1)=7+3=10$, $a_{3}=7+3(3-1)=13$, $a_{4}=7+3(4-1)=16$, $a_{5}=7+3(5-1)=19$ (b) $10-7=13-10=16-13=19-16=3$ The common difference is $3$. (c) graphed using
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