Ireally need some with this. no guesses, i need an exact answer. you in advance.

The parabola opens: y=√x-4 (principal square root) up down right left

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.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!