1)x>-2

Question

y<=1
y>=0.5x-2
y<=-2x+3

2)x>=0
y>=0
y<=4x-4
y<=x+5

3)x<=0
y>=0
y<=9
y>=-2x-7

3)x<0
x<=5
y>=1/5x-3
y<=-x+4

4)(7 5)
(8 6)