Answered

 (1 pt) Which of the following represents a function? 

   A.      X = 1 1 1 1 1

             Y=2 3 4 5 6  

                                                       

B.     X =1 2 1 2 1 

        Y= 0 1 2 3 4

                                                  

C.    X= -2 -1 0 -1 -2

       Y= 2 3 4 5 6    

                                                                                             

 D.    X= 1 2 3 4 5

        Y= 5 4 3 2 1                                   

   



Answer :

konrad509
D, because for each element of the set of X, there is only one corresponding element of the set of Y.