B = 2 
B is basically whatever number the line passes through on the Y - Axis 
 
        
                    
             
        
        
        
If square roots includes exponents then that one is first. but if not then it is division.
        
                    
             
        
        
        
Answer:
The doing would be x 
Step-by-step explanation:
since you are calculating domain for a specific value it would be the corresponding g(x) value which is the domain
 
        
             
        
        
        
5x4= 20
50x40=200
500x400=200000
Do you see the pattern? 5x4=20, which means that all you need to do is add the zeros. 50x40 has two zeros, which means it should equal 200.