ANSWER
The correct answer is C.
Step-by-step explanation
The given inequality is,

We add -2 to both sides of the inequation to get,

This implies that,

We simplify to get,

To illustrate this solution set on the number line, we draw an arrow pointing to the right, with the circle at the the boundary, which is 4 shaded or closed as shown in option C.
The correct answer is C.