Me i need it right now show work answer it correctly

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Use set buikder notation to represent the following set: {, -2, -1, 0}

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x