Identify the domain and range of each relation. Use a mapping diagram to determine whether the relation is a function.
{(-2, 5), (8, 6), (3, 12), (5, 6)}
The domain of the relation is {-2, 8, 3, 5} and the range of the relation is {5, 6, 12}.
To determine if the relation is a function, we can create a mapping diagram.
Domain: (-2, 8, 3, 5)
Range: (5, 6, 12)
Mapping diagram:
-2 -> 5
8 -> 6
3 -> 12
5 -> 6
Since each element in the domain only maps to one element in the range, the relation is a function.