CLICK ON THE PLAY BUTTON TO LISTEN TO THE AUDIO!        
1. Function: Each of the x's map to one single y.
|
      |
2. Not a Function: x = 1 maps once to y = 6 and second to y = 7.
|
CONCEPT CHECK: Identify the following table as a relation or a function.
Input x | -3 | -1 | 0 | 1 | 2 | 2 |
Output y | 3 | 4 | 5 | 6 | 8 | 8 |