The following table shows the total number of patients diagnosed with the flu in terms of the time in days since the outbreak started. Time in days 0 5 10 15 20 25 Number of Flu patients 35 41 47 53 59 65 a) Show that the function giving the number of diagnosed flu cases in terms of time is linear. b) Find the slope of the linear function from part a. Explain in practical terms the meaning of the slope. c) Find formula for the linear function in part a. d) What would you expect to be the total number of diagnosed flu cases after 17 days?