Use the graph of the function to find f(3)=__

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For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?