Yesss they are parallel lines:)
        
                    
             
        
        
        
Going out on a limb here and guessing that the function is

Please correct me if this isn't the case.
Recall that

which converges for 

.
It follows that

 
 
        
        
        
Answer:
Rotation, Reflection and Translation.
 
        
             
        
        
        
Answer:
The time (t) it takes to clean an office building is <em><u>directly</u></em> <em><u>related</u></em> to the number of people (p) working.
t is proportional to p

 
        
             
        
        
        
The steps are on the picture! Let me know if you have any questions