Please Help: Graph the function y = √(x + 4) – 2. Then state the domain and range of the function.

Find the roots of the equation below. x^2 - 6 + 9 = 0

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online