If y = 6x â’ 3, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs? {(0, 3), (1, â’9), (2, â’15)} {(0, â’3), (2, 15), (4, 21)} {(0, â’3), (2, 9), (4, 21)} {(0, 3), (â’2, 15), (4, 21)}.

The best and most correct answer among the choices provided by your question is the third choice or letter C.

The statement "c is perpendicular to b." is TRUE.

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