Step-by-step explanation:
f(x) = + 8
x = 10?
f(10)= +8
no change
 
        
                    
             
        
        
        
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
 
        
                    
             
        
        
        
It’s for sure B the formula for circumference is 
Pi times the diameter and the diameter is double the radius so it’s pi multiplied by 8