Which of the tables represents a function?


Table A

Input

Output

8

−9

8

−8

10

−8

Table B

Input

Output

4

11

7

12

7

13

Table C

Input

Output

−4

0

−3

3

−2

5

Table D

Input

Output

10

0

10

4

3

7










Table A

Table B

Table C

Table D