312-217 The rational function h is given by h(x) _ 21 452-21- -13 Which of the following describes the end behavior of h ? As a increases without bound, h(x ) increases without bound, and as a decreases without bound, h(a) decreases without bound. B As a increases without bound, h(x) increases without bound, and as a decreases without bound, h(a) increases without bound. C As a increases without bound, h(a) decreases without bound, and as x decreases without bound, h(a) increases without bound. D As a increases without bound, h(a ) decreases without bound, and as x decreases without bound, h(x) decreases without bound