Which of the following does not represent a function?

x 4 5 6 8 10
y 4 -4 12 -8 6

x 5 10 10 12 18
y 1 4 22 5 4

x -12 -5 11 14 17
y -5 -2 -2 8 34

x -10 1 3 8 10
y -2 2 7 8 10

Question

Which of the following does not represent a function?
		
x	4	5	6	8	10
y	4	-4	12	-8	6
 		
x	5	10	10	12	18
y	1	4	22	5	4
 		
x	-12	-5	11	14	17
y	-5	-2	-2	8	34
 		
x	-10	1	3	8	10
y	-2	2	7	8	10

hoblos · Answer

the second one

hoblos · Answer

since at x=10 there is two values for y

ash2326 · Answer

@1Omega9  If in a relation for same value of x there are two values of y, then that relation is not a function. Can you tell which is not a function?

ash2326 · Answer

* more than one