Caleb borrowed some money from his friend in order to help buy a new video game system. Caleb agreed to pay the friend back some amount every week until his loan was paid off. Let LL represent the amount Caleb owes his friend after tt weeks. A graph of LL is shown below. Write an equation for LL then state the xx-intercept of the graph and determine its interpretation in the context of the problem.

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.