The equation    has only one solution for when

A.  

B.  

C.  

D.   or

E.  

A graph with rule  , where is a real number, has three distinct -intercepts

The set of all possible values of is

A.  

B.  

C.  

D.  

E.  

For the polynomial    the value of is

A.  

B.   

C.       

D.       

E.