2.

(04.01 LC)

Which of the tables represents a function? (5 points)

Table A
Input Output
7 2
8 1
5 6
Table B
Input Output
5 2
3 5
5 6
Table C
Input Output
1 2
1 9
7 3
Table D
Input Output
2 6
6 7
6 2

Table A

Table B

Table C

Table D

The table that represents a function is Table A, because each input has a unique corresponding output.