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April 20, 2014

April 20, 2014

Posted by **Ash** on Tuesday, July 26, 2011 at 7:45pm.

a1,a2,a3,a4.....

15,23,31,39

- college algebra -
**Reiny**, Tuesday, July 26, 2011 at 9:02pmnotice that they increase by 8

so

t(n) = 8n + b

when n=1 we want that to be 15

15 = 8+b

b = 7

term(n) = 8n + 7

check :

t(4) = 8(4) + 7 = 39 , looks good!

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