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Mathematics, 17.02.2021 01:40 MickeyAppleX

Which relation is a function? {(8, –4), (–4, 8), (–4, –8), (–8, 4)}

{(5, –7), (4, 6), (–3, 8), (5, 9)}

{(9, –1), (–1, 9), (9, 2), (2, –1)}

{(2, 3), (–2, 3), (3, 2), (–3, –2)}

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Which relation is a function? {(8, –4), (–4, 8), (–4, –8), (–8, 4)}

{(5, –7), (4, 6), (...

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