[0, inf)
The least y-value the function can have is 0 because the square of a number cannot be negative.
        
             
        
        
        
1/2 is the answer because 3 can divide into 6 evenly
        
             
        
        
        
Answer:
x= 14 
Step-by-step explanation:
First (and only) we subtract 17 from both sides : 
17 + x - 17 = 31 - 17 
x = 31 - 17 
x = 14 
Hope this helped and have a good day