An epidemiological study of the spread of a certain

Last updated: 7/17/2022

An epidemiological study of the spread of a certain influenza strain that his a small school population found that the total number of students, P, who contracted the flut days after it broke out is given by the model P = -t2 + 13t+130, where 1 < t < 6. Find the day that 160 students had the flu. Recall that the restriction on t is at most 6.