Consider a Game in Which a Fair Die Is Thrown

Short Answer

Consider a game in which a fair die is thrown. The player pays $5 to play and wins $2 for each dot that appears on the roll. Define X = number on which the die lands, and Y = player's net profit (amount won - amount paid to play).
-Express Y as a linear transformation of X.
Y = ___(1)____ X + ____(2)_____