The line will flip across the y-axis.
Answer:
Leasing a car is the better option if they only want to keep it for a certain amount of years. This is because with leasing you are only paying the depreciation of the car instead of the buying price. Also, it benefits people that can't pay the down payment for the car.
Y = 30/20x + 20
( i haven’t done this in a while but i’m pretty sure this is right)