A family has money in an account for renting movies online. Each time the family rents a movie, the cost of the rental is withdrawn from the account, and each rental costs the same amount of money,
The function (m) = 24 - 4m gives the amount of money, in dollars, in the account after the
family has rented m movies. Which of the following represents the amount of money, in dollars,
withdrawn from the account each time the family rents a movie?