Find the second fourth and eleventh terms of the sequence described by each rule A(n)=9+(n-1)(8)

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25-10-2016
Mathematics

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Find the second fourth and eleventh terms of the sequence described by each rule A(n)=9+(n-1)(8)

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texaschic101 texaschic101 · Answer 1 · 2016-10-25T14:55:47+02:00

texaschic101 texaschic101

25-10-2016

A(n) = 9 + (n - 1) * 8

2nd term....n = 2
A2 = 9 + (2 - 1)*8
A2 = 9 + 1 * 8
A2 = 9 + 8
A2 = 17 <==

4th term...n = 4
A4 = 9 + (4 - 1) * 8
A4 = 9 + 3 * 8
A4 = 9 + 24
A4 = 33 <==

11th term...n = 11
A11 = 9 + (11 - 1) * 8
A11 = 9 + 10 * 8
A11 = 9 + 80
A11 = 89 <==

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