Question 59564
SEE THE FOLLOWING AND TRY.....
HERE YOU WILL GET A LINE PARALLEL TO X AXIS GOING THROUGH THE POINT X=0 AND Y = -4
THIS LINE AND THE REGION ABOVE IT (AWAY FROM ORIGIN) IS THE ZONE REPRESENTING 
Y>=-4
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PLOT GRAPH OF X=2 AS SHOWN EARLIER
X..........2.................2...................2............2..ETC
Y..........0..................1..................2............3..ETC
YOU GET A LINE PARALLEL TO Y AXIS GOING THROUGH X =2 AND Y=0 POINT.
THE ZONE TO THE LEFT OF THE LINE...THAT IS TOWARDS ORIGIN IS THE 
AREA REPRESENTING X<2