Joe has 20 hot dogs. He is purchasing more hot dogs. He can purchase up to 8 boxes of hot dogs. Each box contains 48 hot dogs. Joe cannot purchase partial boxes. The function that models the number of hot dogs Joe has is f(b)=48b+20f(b)=48b+20 , where b is the number of boxes of hot dogs he purchases.What is the practical domain of the function?all real numbers from 1 to 8 inclusive{68,116,164,212,260,308,356,404}{68,116,164,212,260,308,356,404}all integers from 1 to 8 inclusiveall real numbers