I need yall to simplify

Create another three examples that does not behave like a function. explain why your chose each example to fit the category be very

What is the base of 1/9 to the power of 2

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?