The functions graphed show the snowfall, in inches, of two cities after x hours. 
Select each correct answer.  
- Smithville had a faster rate of snowfall.
- Snow fell in Middletown at a rate of 3 inches per hour.
- Snow fell in Smithville at a rate of 4 inches per hour. 
- Middletown had a faster rate of snowfall. 
                                             
                                          
                                          
                                        
											 
			                  