Question 11 Which of the following situations can be modeled by a function whose value changes at a constant rate per unit of time? Select two that apply.
A The population of a city is increasing 5% per year.
B
The water level of a tank falls by 5 gallons every day.
с
The number of reptiles in the zoo increases by 5 reptiles each year.
D
The amount of money collected by a charity increases by 5 times each year.