The equation of a line in Slope-Intercept form is:

Where "m" is the slope of the line and "b" is the y-intercept.
In this case, you have the following inequality:

Then, the equation of the line is:

Where the values of "m" and "b" are:

Since the sign of the inequality is:

Then the line is solid and the shaded region is above the line.
Knowing the above, you can graph the inequality:
You can see that the line passes through the points (0,-1) and (3,2).
Therefore, the answer is: Option C.