Answer:2
Step-by-step explanation: the equation is in linear form y=mx+b, the b represents the y intercept in your equation that would be -5
 
        
             
        
        
        
Answer: 17
Steps: 
1. Plug in (3) into “x” of the g(x) equation:
g(3) = (3)^2 + 4
g(3) = 9 +4
g(3) = 13
2. Plug in g(3) value into “x” of the f(x) equation:
f(g(3)) = x + 4
f(g(3)) = 13 + 4
f(g(3)) = 17
        
             
        
        
        
You could add 6 togetber 17 times? Sorry for the stupid answer I couldn't think of anything else I searched it up and I couldn't find anything at all
        
             
        
        
        
The reciprocal of a number is the opposite of any known/unknown number
-x
four subtracted from this
-x-4