You are dividing a number (x) by three and then subtracting 1 like this. (x/3)-1
Since its 4,6 over to 4 and up to 6 the closest one to that mark would have to be A. because it says over to 4 and up to 7.2 which is the closest of the choices that you have :) hope this helps
Answer:
i hope this helped u this is kinda hard ngl haha