SOLUTION: is this sequence geometric or arithmetic or neither 3,5,9,15

SOLUTION: is this sequence geometric or arithmetic or neither 3,5,9,15

Algebra.Com

Question 833911: is this sequence geometric or arithmetic or neither
3,5,9,15
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
9-5=4
5-3=2
so it is not arithmetic

15/9=5/3

so it is not geometric either
... so neither
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