If f(x)=5x-25 and g(x)=1/5x +5, which expression could be used to vertify g(x) in the inverse of f(x)

Can some one explain this i got sent this. is this a threat i’m scared

Ithink i know it but i want to be sure so can you me out ?

The equation ip| = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn?