In Exercises 13-15, use f(x) = x² and g(x) = 4x – 6 to find h(x). 13. h(x) = f(x) –

In Exercises 13-15, use f(x) = x² and g(x) = 4x – 6 to find h(x).
13. h(x) = f(x) – g(x)
14. h(x) = f(g(x))
15. h(x) is the inverse of g(x)