Plz answer correctly !

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function