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Which relation is a function?
O {(1, 3), (2, 6), (3, 9), (4, 12)}
{(1,4), (1, 3), (1, 2), (1, 1)
{(3, 4), (2, 4), (5, 1), (3,5)}
O {(3, 4), (3, 3), (1, 2), (1,5)}

Which relation is a function O 1 3 2 6 3 9 4 12 14 1 3 1 2 1 1 3 4 2 4 5 1 35 O 3 4 3 3 1 2 15 class=

Respuesta :

mhanifa

Answer:

  • Option A

Step-by-step explanation:

A)  {(1, 3), (2, 6), (3, 9), (4, 12)} - Yes, all input-outputs are unique  

B) {(1,4), (1, 3), (1, 2), (1, 1) - No, repeat inputs (1)

C) {(3, 4), (2, 4), (5, 1), (3,5)} - No, repeat inputs (3)  

D) {(3, 4), (3, 3), (1, 2), (1,5)} - No, repeat inputs (1 and 3)

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