It 2,3,5,8, and 12 arithmetic or geometric? Explain why

Question

My answer it that it is arithmetic because it is adding 1 more numbee then before and still is equal to its previous term.
I just want to see if it is correct

Answer 1

Anyone?

Answer 2

arithmetic means that it has to add the same amount each time.
geometric means it has to multiply by the same amount each time.

Your sequence is neither.
It is some kind of quadratic, since the differences form an arithmetic sequence.

Answer 3

3;5;8;12__ 22__