How to graph y>2x - 9 and y<4x + 1 ? And what are their solutions of the double shaded region? Thanks!
I hope, you understand it.
4x+1=2x-9 |-1
4x=2x-10 |-2x
2x=-10 |:2
x=-5
y=2*(-5)-9
y=-10-9
y=-19