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Mathematics, 21.10.2019 22:30 ryan1kk

Which of the sets of ordered pairs represents a function?

a = {(2, −2), (5, −5), (−2, 2), (−5, 5)}
b = {(4, 2), (4, −2), (9, 3), (9, −3)}

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Which of the sets of ordered pairs represents a function?

a = {(2, −2), (5, −5), (−2, 2...
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