Answer:
C
Step-by-step explanation:
First, graph the equation: 
The y-intercept is -4. 
And the slope is 1/2, an upward sloping line. 
So, our graph should be either A, B, or C. 
D is not correct, so eliminate that. 
So, our inequality is: 

Note that this inequality is strictly less than. There's no "or equal to" bar. Therefore, our line should be dotted. 
Thus, eliminate A and B. 
So, C is our answer 
Further notes: 
The inequality sign means that y is <em>less than</em> the equation. In other words, our shaded region should be <em>below </em>the line. 
In C, the shaded area is indeed below the line. 
So, C is indeed our answer :)