The system of inequalities are 
The two inequalities
and
represents the first quadrant.
Graph:
\Graph the inequalities
and
.
Shade the required regions.
\.gif\")
Observe the graph :
\There is no corner points and point of intersection.
\Therefore, the graph of the inequalities is unbounded.
\Graph:
\Graph of the inequality
and
.
.gif\")
There is no corner points and point of intersection.
\The graph of the inequalities are unbounded.