The correct answer is (-2,1,2,8) 
The range are the y- values 
The explanation:
The range is the set of all second elements of ordered pairs (y-coordinates). Only the elements "used" by the relation or function constitute the range.
Hope this helped you :D 
        
             
        
        
        
Answer:
is there any pic to refer the question? 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Welllllll.....
If you take the square root of 9, it's 3
if you take the square root if 16, it's 4
I would guess it to be about 3.2
 
        
                    
             
        
        
        
That would be a 45 degree angle