Question

An epidemiological study of the spread of a certain influenza strain that hit a small school population found that the total number of students, P, who contracted the flu t days after it broke out is given by the model
P = −t2 + 13t + 190,
where
1 ≤ t ≤ 6.
Find the day that 230 students had the flu. Recall that the restriction on t is at most 6.

Answer 1

hi

Answer 2

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