Describe a function whose domain is the set of people in your hometown.

I’m studying for my Algebra class and need an explanation. Suppose that y = f(x) and it is true that f(3) = 20. Determine whether each is true or false.An ordered-pair solution of the function is (3, 20).When x is 20, y is 3.A possible function if f(x) = x^3 – 7.A possible function if f(x) = x – 17Describe a function whose domain is the set of people in your hometown.