Answer:
2
Step-by-step explanation:
(10+10-4)÷8 is your expression. 
10+10=20 
20-4=16 
16/8=2 
 
        
                    
             
        
        
        
(fog)(x)=f(g(x))
f(g(x))=3(-4x+7)+5
f(g(-4))=3(-4(4)+7)+5=3(-16+7)+5=3(-9)+5=-27+5=-22
(fog)(-4)=-22
        
             
        
        
        
Answer:
Dont use long words, keep your questions short,
Step-by-step explanation:
 
        
             
        
        
        
If you draw a vertical line through the curve and it has 2 or more intersection points, the curve does not represent a function. The right graph is not a function. The left one is.