Write the relation as a set of ordered pairs. x –2 0 2 y –1 0 1 a. ordered pairs: {(–1, –2), (0, 0), (1, 2)} b. ordered pairs: {(–2, –1), (0, 0), (2, 1)} c. ordered pairs: {(–1, –2), (0, 0), (2, 1)} d. ordered pairs: {(–2, –1), (0, 0), (1, 2)}