Name coordinates of the vertices of the feasible region.

1) 5> =y> =-3
4x+y< =5
-2x+y< =5
f(x, y)=4x-3y

2) x> =-10
1> =y> =-6
3x+4y< =-8
2y> =x-10
f(x, y)=2x+y

all of the < > are underlined