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Mathematics, 11.07.2019 15:30 skyvargasov9cad

What is the domain of the relation r: {(3, −2), (1, 2), (−1, −4), (−1, 2)}? is it a function? {−1, 1, 3}; no {−1, −1, 1, 3}; yes {−4, −2, 2 2}; no {−4, −2, 2}; yes?

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What is the domain of the relation r: {(3, −2), (1, 2), (−1, −4), (−1, 2)}? is it a function? {−1...
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