The following graph f(x) shows the number of car sales in province Vegeta. We are currently in year 10. The green line represents the number of sales in the past 10 years. The red line represents the prediction of the number of sales in the next 10 years. Number of Car Sales in Province Vegeta number of sales (millions) f(x) time (years) Answer the questions below: [6] 10 a. Determine the number of car sales at x =5 based on past? Use proper limit notations. [2] 10 b. Determine the price of the stock at x =5 based on future expectations? Use proper limit notations. [2] c. Is the function discontinuous at x = 5? How do you know? Use proper limit notations.