I assume you want the expression to this so it would be x-y-3
        
             
        
        
        
8in hope this could help you
        
             
        
        
        
Answer:
the answer is A {126,168,189}
 
        
             
        
        
        
The answer should be 38/7
        
                    
             
        
        
        
Answer:


Step-by-step explanation:
A function and its inverse has the following properties 

This implies that;

From the table, 

This means that:


Note that: f(7) means the value of f(x) when x=7.
From the table f(x)=-6 when x=7.
That is why f(7)=-6.