Explanation:
Since we have given that
It is shown in the figure below:
1`) Red color part showed that x is greater and equal to 3.
2) it is parallel to y-axis as
so, it is atleast x=3 so it will become parallel to y-axis.
3) As Right part of x is shaded :
Because if we apply the "Zero-text":
So, it must be shaded away from the origin.