The logistic growth function at right describes the number of people, f(t), who have become ill with influenza t weeks after its initial outbreak in a particular community. a. How many people became ill with the flu when the epidemic began? b. How many people were ill by the end of the fourth week? C. What is the limiting size of the population that becomes ill? a. The number of people initially infected is 1 . ( Round to the nearest number of people.) b. The number of people infected after 4 weeks is . ( Round to the nearest number of people.) C. The limiting size of the infected population is . ( Round to the nearest number of people.)