Which of the following relations is NOT a function?
A. {(1, 1), (2, 4), (3, 6), (4, 8)}
B. {(−5, 25), (5, 25), (−6, 36), (6, 36)}
C. {(4, −4), (3, −3), (3, 3), (4, 4)}
D. {(3, 12), (5, 20), (7, 28), (8, 32)}

Question

Which of the following relations is NOT a function?
A. {(1, 1), (2, 4), (3, 6), (4, 8)}
B. {(−5, 25), (5, 25), (−6, 36), (6, 36)}
C. {(4, −4), (3, −3), (3, 3), (4, 4)}
D. {(3, 12), (5, 20), (7, 28), (8, 32)}

shamil98 · Answer

A function is when every x has just one corresponding value.
For example
(1,3) (1 , 4) (2 , 3 ) (3, 4)
is not a function because of (1,3) and (1,4) the x value of 1 has two corresponding y values.
Which of one your options show these?

anonymous · Answer

it would be d right?

anonymous · Answer

C is nt a Function because its repeating 3 that is not to repeat cos its domain  i think

shamil98 · Answer

No, try again.

shamil98 · Answer

Please don't just hand out answers @khurramshahzad..

anonymous · Answer

okay sorry for the answer