SOLUTION: What is the function rule for -8,-11,-14,-17,-20,-23

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Question 1074451: What is the function rule for -8,-11,-14,-17,-20,-23
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Starts at -8 and increments by -3
So,
a%5B1%5D=-8
d=-3
a%5Bn%5D=a%5B1%5D%2B%28n-1%29d
a%5Bn%5D=-8%2B%28n-1%29%28-3%29
a%5Bn%5D=-8-3n%2B3
a%5Bn%5D=-5-3n
a%5Bn%5D=-%283n%2B5%29