To check if a relation is a function, given a mapping diagram of the relation, use the following criterion: If each input has only one line connected to it, then the outputs are a function of the inputs.
Answer:
0 is the answer. I think.
The first one is 5c√10c/3d^3
The answer is: A, 5c√10c/3d^3
Hope this helps! :)
the answe would be (0,0) because its the midel witch is also the origin
Answer:

Step-by-step explanation:
12 divided by 5= 2.4
OR
2 2/5
Hope this helps! :)