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Mathematics, 28.01.2020 19:03 cheerleaderautumnche

Which of these is a function?
{(0, 4), (0, 5), (0, 9), (0, 23)}
{(0, 1), (1, 2), (1, 5), (2, 9)}
{(0, 4), (2, 4), (3, 7), (4, 9)}
{(6, 0), (6, 1), (6, 7), (6, 11)}

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You know the right answer?
Which of these is a function?
{(0, 4), (0, 5), (0, 9), (0, 23)}
{(0, 1), (1, 2), (1, 5)...
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Mathematics, 27.09.2019 08:30