Submit test point(s) possible The rate R at which people are becoming infected with a O contagious virus t weeks after the epidemic began is 20- graphed to the right, along with the total number of people, P, who have been infected. Use the graph to 16- answer parts a through c. 12- Number of people 1 of 3 8 12 16 Time, t (weeks) I of co omplete 0 of 2 (a) Find the initial number infected ) of Da At 1=0 there were people infected (b) Find the area of the shaded region. Include units O (c) interpret the area Select the correct choice below and, if necessary, fill in the answer box to complete your choice