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 - Chapter Review - Page 286: 30



Work Step by Step

$A(1) =19$, so the first term is 19. $A(n) = A(n - 1) -1$ $A(n)=A(1)+(n-1)d$ $A(n)=19+(n-1)(-1)$ The explicit formula $A(n)=19+(n-1)(-1)$ represents the arithmetic sequence.
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