2.01 × 1015 and 2.8 × 1013 which is larger

Ineed if you could explain and give me the answer you! this needs done

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.

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.