I think the answer is 7.725 so sorry if I’m wrong but see if that answer is correct
        
             
        
        
        
Answer:
3/4
Step-by-step explanation:
7/28 have blue eyes
So 28-7=21
21/28 don't have blue eyes
21/28 simplified=3/4
 
        
                    
             
        
        
        
Yes they do, Hope this helps :p
        
             
        
        
        
Answer:
The value of function for x = 1 , y = 5 i.e  f(1) is 5   
Step-by-step explanation:
Given as :
 f(x) =  
 
Now from the function the value of y depend on the value of x
So , for x = 1
I.e  f(1) =  
 
Or,  f(1) = 5 
Hence The value of function for x = 1 , y = 5 i.e  f(1) is 5   Answer