Proceed as in Example 3 and verify that the inverse of the one-to-one function f is the function g by showing f(g(x)) = x and g(f(x)) = x.
f(x) = 3x - 6; g(x) = 1/3x + 2
f(g(x)) = f (________)
= 3( _____ )- 6
= (_____) - 6
= x
g(f(x)) = g (_______)
= 1/3(______) + 2
= (______) + 2
= x