2.
(07.04A)

Which of the tables represents a function? (4 points)
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