Question

Help please, I would really appreciate it. :)

Answer 1

9, 13, 17, 21

Explanation:

If x=2,

y=1+4(2)

y=9

This goes on, like a pattern. If x increases by 1, y inreases by 4. So, if y=3, x=13. If x=4, y=17, and so on.