Answers to Possible or Not Activity

Graph Number Possible or Impossible
1 Impossible
2 Possible
3 Impossible
4 Possible
5 Possible
6 Possible
7 Possible
8 Impossible
9 Possible
10 Impossible*

*Please note that item #10 is impossible as it maps to the real world though it is still a function because it passes the vertical line test.