pidemiological 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+-t^2+13t+160, where 1 is less than or equal to t is less than or equal to 6. find the day that 200 students had the flu. recall that the restriction on t is at mo

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.