Which of the tables represents a function?
Table A
Input
Output
4 3
3 2
2 1
Table B
Input
Output
1 3
3 5
3 7
Table C
Input
Output
0 0
1 4
1 5
Table D
Input
Output
4 1
4 2
4 3
Table A
Table B
Table C
Table D
Table A
Input
Output
4 3
3 2
2 1
Table B
Input
Output
1 3
3 5
3 7
Table C
Input
Output
0 0
1 4
1 5
Table D
Input
Output
4 1
4 2
4 3
Table A
Table B
Table C
Table D