I got 2/3 marks, tell me what I need to add to get the 3rd mark please and thank you! Screenshot provided

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Can someone me with this? i’m not sure what to put for my equations.

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?