Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 11 - Section 11.1 - Sequences - Exercise Set: 19



Work Step by Step

To calculate $a_n$, we plug in $n$ to the general formula. To calculate the result, we use PEMDAS (parentheses, exponentation, multiplication, division, addition, subtraction) to determine which operation is applied first. $a_{20} = 6(20) - 2 = 120 - 2 = 118$
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