Answer: " 6."
Step-by-step explanation: "If a horizontal line intersects the graph of f(x) in more than one point, .... If f has an inverse function, f-1, and you happen to know that f-1(15) = 3, ... 3.) If g(-10) = 5, what is g-1(5)?. 4.) If g-1(6) = 8, what is g(8)?. 5.) If g-1(0) = 9, what is g(9)?.