The functions f(x) = 2x and g(x) = 2–x + 3 are combined using division to get function h(x).

Which represents the combined function?

h(x) = 22x + 3, x ≥ 0
h(x) = 22x – 3, x ≥ 0
h(x) = 22x + 3, all real numbers
h(x) = 22x – 3, all real numbers