Answer:
8x+8
Step-by-step explanation:
(f.g)(x)= (f)(g)
(f.g)(x)=(4.2)(x+1)
(f.g)(x)=(8)(x+1)
(f.g)(x) =8x+8
 
        
             
        
        
        
Polygon A is similar to Polygon B because Polygon B is a dilation of Polygon A.
        
             
        
        
        
27 divided by 3 = 9
9 times 5 = 45
        
                    
             
        
        
        
Answer:
18 machines 
Step-by-step explanation:
9 machines give 24 mins... You need to reduce the time by half by adding using double the machines.. 
So 9×2=18