Answer:
A relation is a function if the x-values map to only one y-value. In other words, if a relation is one-to-one or many-to-one it is a function.
Step-by-step explanation:
I think c .. I already took a course .. and the test had that question.. I cant remember the answer though
4 6-2 = 4 you subtract the largest and smallest number to get the answer
