Is there a picture of some sort of angle or parallelogram? Because there isn't enough information to solve the question with only this. Sorry!
Answer: 3.5 integers can be in decimals too. and any number counts as an integer except for 0
A represents a function because each of the input values {-5, -2, 2, 5} has one and only one output (y-) value associated with it.
The same could be said of B: Each of the four input values {4, 3, 9, 11} has one and only one output (y-) value associated with it.
Thus, in both cases the given relations are also functions.
Th