Answer:
it's the first one 
Step-by-step explanation:
since all of them go up to 8 on the graph it 
the graph represents it going down since the first one is the only one to go down that one represents the graph precisely.
 
        
             
        
        
        
Answer:Identity property 
Step-by-step explanation:
 
        
                    
             
        
        
        
16.76 rounds off to 17
After the dot if it’s 1-4 then they it would’ve been 15
5-9 is 17
        
                    
             
        
        
        
Answer:
(0,0)
Step-by-step explanation:
y= -3x
The y intercept is the y value when x =0
Let x =0
y = -3(0)
y = 0
(0,0)
 
        
                    
             
        
        
        
Answer:
(fºg)(x) =  x -2
Step-by-step explanation:
f(x) = x + 2
g(x) = x - 4
(fºg)(x) = ( x - 4) + 2
(fºg)(x) =  x -2