FREEE POINTs hey guys I am back and giving away points. The first to contenders that answer this question get the half a 75 points, god bless you all click here./Hey guys side note if you want more of these happening pls donate some points so I can make peoples day a little better because of corona .

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.