Which of the relations given by the following sets of ordered pairs is a function? o {(5,2), ( – 4, 2),

Which of the relations given by the following sets of ordered pairs is a function?

o {(5,2), ( – 4, 2), (3,6), (0,4), (- 1, 2)}
o {(5, 4), (5, 6), (5,8), (5, 10), (5, 12)}
{(-3, – 2), ( – 2, – 1), (0, – 1), (0, 1), (1, 2)}
{(7,3), ( – 6,8), ( – 3,5), (0, – 3), (7, 11)}

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