Answer:
im almost postive the one you marked is correct 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
I say its number 2
Step-by-step explanation:
 
        
             
        
        
        
151.54 is the answer
The 54 is underlined hence they repeat(use a calculator and you'll see).
        
             
        
        
        
Answer:
C
Step-by-step explanation:
Domain of the function is the whole R