Question

Which set of ordered pairs represents a function

Answer 1

C: is a function because each input (x) has exactly one output( y).

Explanation:

A function is when one input (x) has exactly one output (y).

A: is not a function because -4 is paired with two different y values.

B: is not a function because -4 is paired with two different y values.

C: is a function because each input (x) has exactly one output( y).

D: is not a function because -1 is paired with two different y values.