Determine which of the following sets of ordered pairs define a one-to-one function. a) { (-5, 6) , (-1, 5) , (2, -3) , (1, -10) , (5, 2) , (-7, 12)} One-to-one Not one-to-one Cannot be determined b) { (-10, 5) , (-4, 5) , (11, 5), (10, 0) } One-to-one Not one-to-one O Cannot be determined c) {(-6, -5) , (-4, -3), (-2, -1), (0, 1), (2, 3)} One-to-one Not one-to-one O Cannot be determined CHECK