Extracted text: State with reason whether following functions have inverse (i) f: {1, 2, 3, 4} → {10} with f = {(1, 10), (2, 10), (3, 10), (4, 10)} (ii) g: {5, 6, 7, 8} {1, 2, 3, 4} with g = {(5, 4), (6, 3), (7, 4), (8, 2)} %3D (iii) h: {2, 3, 4, 5} → {7, 9, 11, 13} with h {(2, 7), (3, 9), (4, 11), (5, 13)}