PLEASE HELP 1 QUESTION 
Is this a function?  
                                             
                                          
                                          
                                        
											 
											Answer:
No.
Step-by-step explanation:
In a function, each x only has one y value.
Each x-value has 2 y-values.
For example, for x=2, its y can be BOTH 2 and 4.