Question 1150962
put y on the left
-y<=-3x+4
y>=3x-4, change signs, flip inequality.
put 0 in for both and see if true or false
0<=4 which is true, so part of the area not on the line that includes the origin is part of the solution set or left of the line.

{{{graph(300,300,-10,10,-10,10,3x-4)}}}