Relations are shown in the tables below where represents the independent variable and represents the dependent variable. Select the relation that is not a function.

Responses

x

y

1

2

3

3

5

4

6

4.5

6

6

x y 1 2 3 3 5 4 6 4.5 6 6

x

y

1

2

3

2

5

4

6

4.5

7

5

x y 1 2 3 2 5 4 6 4.5 7 5

x

y

1

2

3

3

5

4

6

4.5

7

5

x y 1 2 3 3 5 4 6 4.5 7 5

x

y

1

2

3

3

5

4

6

4.5

6

4.5