The amount of garbage, G, produced by a city with population p is given by G = f(p). G is measured in tons per week, and p is measured inthousands of people.a. The town of Tola has a population of 30000 and produces 12 tons of garbage each week. Which equation gives this information in terms ofthe function f?Of(12)= 30000Of (12)Of (30) = 12Of (30000) = 12130b. What does the statement f (5) = 7 mean?A population of 5 people produces 7 tons of garbage each week.A population of 5000 people produces 5 tons of garbage each week.A population of 5000 people produces 7 tons of garbage each week.