F(x) is most likely the f(f(x)x) where f(x) is g(x))f)) and composition can be 69 + 46 which is the total of 137
        
                    
             
        
        
        
16r^2+ 2r -4r
16r^2 - 2r
2r ( 8r -1)
        
                    
             
        
        
        
Where he started (495) minus 6 feet per second (-6t) till he gets to the ground (=h)
Put them together: 495-6t=H :) 
Hope that helps
        
                    
             
        
        
        
Answer:
618000
Step-by-step explanation:
just add
 
        
                    
             
        
        
        
Answer:
36
Step-by-step explanation:
First you would solve what's in the parenthesis because the Order of Pemdas. 
Second you would multiply the answer of what's in the parenthesis which is 3 to 12.
Third you would get the answer which is 36!