Answer:
It's steepness decreases
Step-by-step explanation:
If you graph both, you can see it's less steep. Sorry I don't know if there's any other faster way. 
 
        
                    
             
        
        
        
Answer:
i think it would be multiplied by x
Step-by-step explanation:
that sounds like the best thing to do
 
        
                    
             
        
        
        
Times 3 6 times but not 3 times 6
        
                    
             
        
        
        
15.5 x 12.4 = 192.2 so the answer is 192.2 square feet.