Answer:
It is a function
Explanation:
It is a function because every x has only one corresponding value in y
The list of all order pairs is
{(3 , 10) , (2 , 8) , (1 , 6) , (0 , 4) , (-1 , 2) , (-2 , 2)}
No repeated x in the order pairs
∴ It is a function