Find the set of codomain for the domain {0, 1, 2, 3} of the mapping y = 5 − 2x

University of Ilorin MTH102 2026-test past question

1. {5, 3, 1, −1}
2. {5, 2, 3, 1}
3. {2, 3, 4, 5}
4. {−1, 1, 3, 5}

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