Question

On which table is y not a function of X?

1 point
А
X
X
3
Y
1
у
6
5
6
3
4
8
4
3
5
1
8
7
5
5
с
D
X
X
5
y
6
6
у
4
8
4
6
8
4
2
1
6
6
4
6
4
А
O

Answer 1

Answer: b.

Explanation:

Answer 2

B

Explanation:

because x = 5 has 2 different y values assigned (1 and 8). and that is not possible for a function, where each possible x value must have exactly one y value.