Determine the expected value for the following game. Cost to play the game is $3.00 You will roll a single die. If you roll a 5 or a 6 you will win $4.00 If you roll a 1 you will win $7.00​

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.