Let A = {1, 2, 3, 4}; B = {3, 5, 7, 9}; C = {7, 23, 47, 79} and f : A → B, g : B → C be defined as f(x) = 2x + 1 and g(x) = x^2 – 2. Express (gof)^{-1} and f^{-1}og^{-1} as the sets of ordered pairs and verify (gof)^{-1} = f^{-1}og^{-1}.