Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - 4-7 Arithmetic Sequences - Practice and Problem-Solving Exercises: 50

Answer

The second term is 4, the fourth term is 11, and the eleventh term is 35.5.

Work Step by Step

The given equation is: A(n) = 0.5 + (n - 1)(3.5) Second term:: n=2 Sub in 2 for n in the equation A(2) = 0.5 + (2 - 1)(3.5) A(2) = 4 Fourth term:: n=4 Sub in 4 for n in the equation A(4) = 0.5 + (4 - 1)(3.5) A(4) = 11 Eleventh term:: n=11 Sub in 11 for n in the equation A(11) = 0.5 + (11 - 1)(3.5) A(11) = 35.5 Therefore, the second term is 4, the fourth term is 11, and the eleventh term is 35.5
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