Math, asked by hongjoong, 3 months ago

which of the following is NOT a function?

(2,1),(4,3),(6,5),(8,5)
(2,1),(4,3),(6,5),(2,7)
(2,1),(4,3),(6,5),(8,7)
(2,1),(4,1),(6,5),(8,7)​

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Answers

Answered by tanajim108
0

Answer:

option a (21) (43) (65) (85)

Evilravan: can you explain me??? why
Answered by Evilravan
0

Answer:

(2,1), (4,3), (6,5), (2,7)

becuz A of one element can't contains two elements of B.

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