Write rule for following sequence: (3, 12) (1, 2) (2, 7) (4, 17)

Question

I really don't understand this, and I need to answer this question. Please answer it for me and explain a bit how. Or give me a website i can find how.

Answer 1

put the ordered pairs in x order & you will see that y = 5x-3 for integer x values 1, 2, 3, et seq.