What is an equation for this relationship? The table shows the total number of squares in each figure below. 
A. y = (2x-1)2 + 4 
B. y = (2x)2 + 4 
C. y = (2x+1)2  + 4 
D. y = (2x+4)2 
                                             
                                          
                                          
                                        
											 
			                  