I REALLY need help... PLZ

Answer:
-2, -1, 0, 2 is the domain and the range is -4, -2, 2 Hope this helps :)
Step-by-step explanation:
Answer:
{-2, -1, 0, 2}
Step-by-step explanation:
Input is domain
Output is Range
As the arrows are from x to y
Domain of the function is {-2, -1, 0, 2}