We will proceed to graph each case to determine the solution of the problem.
using a graphing tool
<u>case A</u>


see the attached figure N
The system A is not the graphed one
<u>case B.</u>

see the attached figure N
The system B is not the graphed one
<u>case C.</u>

see the attached figure N
The system C is not the graphed one
<u>case D.</u>

see the attached figure N
The system D is the graphed one