Answer:
Daria's boss expression
Step-by-step explanation:
Her boss expression because it's asking about the hours worked per four week month. Daria's expression represents the 9 hours she works per week for the 4 weeks in the month. 
Her boss expression represents the total number of hours she works altogether in all the four weeks in the month.
 
        
             
        
        
        
        
Answer:

Step-by-step explanation:

For f(3), the input for the function f(x) is 3.
Let x (input) = 3.

 
        
                    
             
        
        
        
Answer:
3 ways 
Step-by-step explanation:
ex: 3/6 "3 to 6" 3:6