Can you please check my answers?
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
x-2/x+1 <0
my answer: (-infinity,-1) u (2, infinity)
-x+8/x-3 > or equal to 0
my answer: (3,8]
2/x-2<1
my answer: (2,4)
10-2x/4x+5 < or equal to 0
my answer: (-infinity, -5/4) or [5, infinity)