Which function has an inverse that is also a function? {(-1, -2), (0, 4), (1,3), (5, 14), (7,4)} {(-1,2), (0, 4), (1,5), (5, 4), (7, 2)} {(-1, 3), (0, 4), (1, 14), (5, 6), (7, 2)} {(-1, 4), (0, 4), (1, 2), (5,3), (7, 1);