The rate R at which people are becoming infected with a contagious virus t weeks after the epidemic began is 130- graphed to the right, along with the total number of 104- people, P. who have been infected. Use the graph to Q 78- answer parts a through c. Number of people 52- 26- 2 Time, I (weeks) (a) Find the initial number infected. At t = 0 there were |people infected. (b) Find the area of the shaded region. Include units. N R(t ) dt = (c) Interpret the area. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. At week 2 there was a net change of additional people infected since the start of the epidemic. O B. At week 2 there were a total of people infected since the start of the epidemic. O C. At week 2 the number of people infected rose at a rate of people per week