!!!!
 Find the range of the relation.
a.    {–3, 3}
b.    {–4, –2, 1, 2}
c.    {–3, –2, 0, 2}
d.    {–4, –3, –2, 1, 0, 2}
                                             
                                          
                                          
                                        
											 
					                  