Which of the following relations is NOT a function?
4 mapping diagrams
A. Relation A
B. Relation B
C. Relation C
D. Relation D
In order to determine if a relation is a function, we need to make sure that there is only one output value for each input value.
Without the actual mapping diagrams provided, we are unable to determine which of the given relations is not a function. Therefore, we cannot answer this question without the mapping diagrams.