Question

Does the table represent a function? Why or why not?

X
3
4
5
6
6
y
1
3256
A. Yes, because there are different y-values.
B. Yes, because every x-value corresponds to exactly one y-value.
C. No, because one x-value corresponds to two different y-values.
D. No, because the y-values are positive.

Answer 1

C. No, because one x-value corresponds to two different y-values.

Explanation:

In a function, each x value has exactly one y value.