College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 9 - Section 9.1 - Sequences - 9.1 Assess Your Understanding: 39

Answer

The first five terms are: $a_1= 5$ $a_2 = 10$ $a_3 = 20$ $a_4 = 40$ $a_5= 80$

Work Step by Step

Use the given recursive formula to find the next four terms: $a_1= 5$ $a_2 = 2a_1 = 2(5)=10$ $a_3 = 2a_2 = 2(10) = 20$ $a_4 = 2a_3 = 2(20)= 40$ $a_5= 2a_4 = 2(40)=80$
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