3. The function f (x) = (x + 4)2 - 6 is not one-to-one. Restrict the function's domain and find its inverse.

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