Look at this table:
x│y
3│0
4│-1
3│6
6│-5
Is this relation a function?
To determine if the relation is a function, we need to check if each value of x corresponds to a unique value of y.
Given the table:
x | y
3 | 0
4 | -1
3 | 6
6 | -5
We can see that x = 3 has two different values for y: 0 and 6.
Therefore, this relation is NOT a function because it fails the vertical line test.