What rational number is between 6 2/3 and square root of 48

Ineed to know the answer to this algebra question.

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :

How many and of which kind of roots does the equation f(x)=x3−x2−x+1