Answer:
you cannot see the graph. So I cannot answer this question
Step-by-step explanation:
if you add the graph maybe I can help :D
 
        
             
        
        
        
He can make 12 or 9 because 9x4=36 and 12x3=36
        
             
        
        
        
X = 4 will give you the same output no matter what graph you are using. 
        
                    
             
        
        
        
Answer:
25
Step-by-step explanation: