Question

Identify the mapping diagram that represents the relation and determine whether the relation is a function.
{(-2,-4),(-1,-4),(3,-4),(6,-4)}

A: -2 ---> -4
-1 ---> -4
3 ---> -4
6 ---> -4
This relation is NOT a function.

B: -2 ---> -4
-1 ---> -4
3 ---> -4
6 ---> -4
The relation IS a function.

C: -4 ---> -2
-4 ---> -1
-4 ---> 3
-4 ---> 6
This relation is NOT a function.

D: -4 ---> -2
-4 ---> -1
-4 ---> 3
-4 ---> 6
The relation IS a function.

Answer 1

Anyone?