If y = 5x − 4, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs? (4 points) select one: a. {(0, −4), (2, 6), (4, 20)} b. {(0, −4), (2, 6), (4, 16)} c. {(0, 4), (2, 6), (4, 16)} d. {(0, 4), (2, −6), (4, 20)} thx