Graph the relation. Is the relation a function why or why not?
 Note: If you don't know the answer, don't comment. I'm trying to get a good grade here
 {(0,1), (3,5), (2,2), (-1,4)}
 a: No, a range value has two domain values
 b: Yes, there is only one range value for each domain value
 c: Yes, there is only one domain value for each range value
 d: No, a domain value has two range values.