Answer:
{- 1, 0, 4 }
Step-by-step explanation:
the range is the y- coordinates of the plotted points
the coordinates of the points are
(- 4, - 1 ) , (1, 0 ) , (1, 4 ) with y- coordinates - 1, 0, 4
then range is { - 1, 0, 4 }
Idk but google does try google
Again, I'm really not sure if this is right, and please tell me where I got it wrong if I did.
16. 
17. 
I really hope this helps, and I feel really bad when someone asks me to help and I can't :((