Consider the quadratic functions

                       given by    

                                                                           and 

                      given by 

Determine the intersection points of the graphs of      and   

Note: write only one intersection point in the form (x,y) in the box below.

Consider the following functions     given by:

                                           and      

Determine the point of intersection of the graphs of     and    

Note: Plug the answer in the form 

Which of the following constitutes are functions ?