Question

{(–13, 4), (7, –15), (–13, 9), (6, –12), (–18, 0)} State whether each set of ordered pairs represents a function.

Answer 1

it is not a function

Explanation:

if you can pass a vertical line through more than one point it is not a function, you have two points with the same x and different y

(-13,4) and (-13,9)

because you have two different y values for the same x it would fail the vertical line test and thus is not a function

Answer 2

I don’t think it’s a function