When an infectious disease is introduced into a population, the rate at which people become infected is an increasing function during the early days. Suppose r(t) is the rate at which people become infected and that r(t) is increasing on the interval [0,8] measured in days. Some data are shown in the table below. t days 0 2 4 6 8 r(t) people per day 4 7 13 18 24 What is the greatest number of people who could have become infected during these eight days? More information is needed. 124 people O 84 people 62 people