If f={(6,3) (8,9) (5,3) (-1,6)} then the...

If `f={(6,3) (8,9) (5,3) (-1,6)}` then the pre-images of 3 are ……………… .

A

6 and -1

B

6 and 8

C

8 and -1

D

6 and 5

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