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Select the relations that are functions.

{(a, 1), (b. 1), (C, 1)]
[(a, a), (a, b). (a. c)}
{(1,-a), (2. a). (3. a)]
f(a, a), (b, b), (C, c)]

User Bettinna
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answer

{(a, 1), (b, 1), (C, 1)}

{(1, -a), (2, a), (3, a)}

{(a, a), (b, b), (C, c)}

User Archna
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3 votes

Answer:

  • {(a, 1), (b, 1), (C, 1)}
  • {(1, -a), (2, a), (3, a)}
  • {(a, a), (b, b), (C, c)}

Explanation:

Any relation with distinct inputs is a function. If inputs are repeated, the relation is not a function.

User Vaclav Pech
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8.9k points

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