Use the following graph to answer questions 4 5 C Cost 30 25 20 15 40 54 n 0 Time h 4 What is the domain of the function a 5 What is the y intercept of the line What does it represent in this scenario Use the table to answer the following question 1 2 5 2 6 Bike Rental Rates 3 7 What is the 15th term 10 4 14 18 10 6 Write the recursive and explicit formula for the sequence 8 Alex is selling tickets to a school play An adult ticket costs 6 50 and a student ticket costs 4 00 Alex sells x adult tickets and 12 student tickets Write a function f x to represent how much money Alex collected from selling tickets 9 Find F 8 Explain what that represents in this problem