Question

Which of the following sets of ordered pairs is a function?

ne:
{(-5. - 4), (-5, -2).(-5, 0))
{(1, 0), (2.0), (3, 0))
((- 3.1).(-2.0), (-3, -2)}
0 (0.3). (0,2), (0, 3))

Answer 1

{(1,0), (2,0), (3,0)}

Explanation:

x-values can have the same Y-values from another pair, but no Y-value can have the same x-value of another pair