Question

Which set of data represents y as a function of x?

Answer 1

B. {(5,2), (3,4), (1, 2), (-1, -4)}

Explanation:

B is the only one that doesn't have a repeated domain or x value like the other ones

Answer 2

B.

Explanation:

All of them failed either the vertical line test or has the same domain (x)

Hope this helps!