inequalities

The shaded area is above the line (and includes the line)  y =- 4     so  y >=-4 is part of the answer

    all of your choices have this

It is BELOW the line (and includes the line)   y = 1/2 x -1         soo     y <= 1/2x-1   is part of the answer

    you should be able to take it from here ......