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OpenStudy (anonymous):
The domain of the following relation: R: {(3, 5), (8, 6), (2, 1), (8, 6)} is No domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}
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OpenStudy (amistre64):
proper set notation doesnt have repeats in it so the middle one is out
OpenStudy (amistre64):
Domains are conventionally the first digits
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