Respuesta :
Answer:
- {(a, 1), (b, 1), (C, 1)}
- {(1, -a), (2, a), (3, a)}
- {(a, a), (b, b), (C, c)}
Step-by-step explanation:
Any relation with distinct inputs is a function. If inputs are repeated, the relation is not a function.
answer
{(a, 1), (b, 1), (C, 1)}
{(1, -a), (2, a), (3, a)}
{(a, a), (b, b), (C, c)}