Question

3.

Is the following relation a function?
Why or why not?
{(3,1), (-2,4),(4,5), (-7,7), (3,-3)}
The relation is a function
because x-values do not
repeat.
The relation is a function
because the x-values repeat.
The relation is NOT a function
because the x-values repeat.
The relation is NOT a function
because the y-values repeat.

Answer 1

The relation is NOT a function because the x values repeat.

Explanation:

remember a function means theres only ONE pair to a x value that means it cannot repeat the same number.In your equation there is a (3,1) and (3,-3) because there is 2 digits of 3 in the x value place the orderd pairs are NOT a function.