Please help ! Describe the end behavior of the following function !

What is the square root of 45? (step by step working plz)

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.

This is different from the first one can someone me