Answer
see below.
Work Step by Step
As we can see, $a_1=5$ and each term is $\frac{3}{4}$ ($\frac{17}{4}-2=\frac{7}{2}--\frac{17}{4}=-\frac{3}{4}$) less than the previous one, so $a_n=a_{n-1}-\frac{3}{4}$ is the recursive rule (with $a_1=5$).
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 12 Sequences and Series - 12.5 Use Recursive Rules with Sequences and Functions - 12.5 Exercises - Quiz for Lessons 12.4-12.5 - Page 833: 10
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