Answer:
The first one.
Explanation:
when it's an inverse, all you do is switch the x and y.
*once the equation is x = (1/9)y - 2 you just isolate y by adding 2 to both sides leaving (1/9)y = 2 + x
**Then multiplying by 9 to rid of the 1/9 giving you y = 18 + 9x, or 9x+18
That's it. :)