Common Core Math 1 – Identifying Functions Worksheet
State whether each is a function.
1.
11.
2.
12.
3.
4. y = x + 3
5.
6.
7.
13.
14.
15.
16.
8.
17.
18. y = 3x + 2y
9. x = 12
19. y = 3x - 2
10. y = -8