Question

Is {(–2, 0), (–1, 3), (0, –2), (3, –1)} a function?

Answer 1

yes

Answer 2

Depends on domain and codomain

Answer 3

for each x-coordinate then is only one y-coordinate..so yes it is a function

Answer 4

*there is only...

Answer 5

Here's the question you should ask yourself regarding this kind of problem:

Does every x value correspond with a unique y value?

Answer 6

they are defined in the relation

Answer 7

Yes its a function because each domain value has a range!