Find the function h(x) = f(x) + g(x) if f(x) = 4 x + 2 and g(x) = x - 4.
h(x) = 4x + x + 6
h(x) = 4x + 1 -2
h(x) = 4x + x - 2
h(x) = 4x - 4
h(x) = 4x + x + 6
h(x) = 4x + 1 -2
h(x) = 4x + x - 2
h(x) = 4x - 4