The answer is: [C]: <span>___________________________________________________________ "{(1, –1), (2, –2), (0, 0), (1, 1), (2, 2)}</span> " <span>{(1, –1), (2, –2), (0, 0), (1, 1), (2, 2)}" . __________________________________________________________ This set of ordered pairs is NOT a function because their is one x-coordinate in this set that has multiple y-coordinates; specifically: "(1, -1)" ; and "(1, 1)". __________________________________________________________ All of the other answer choices given are functions. __________________________________________________________</span>
