The function h(x) shown is the result of adding two functions, f(x) and g(x). Which statement could be used to describe the functions? Both original functions have a domain of (−∞, ∞). Both original functions have a domain of [0. ∞). The domain of f(x) is [0, ∞) while the domain of g(x) is (−∞, 0]. The domain of f(x) is (−∞, 0] while the domain of g(x) is [0, ∞).