1.
y=-3x^2+5x+4
y=2x-2
x=-1 y=-4
x=2 y=2
2
7x+2(2x+3)<-5
7x+4x+6<-5
11x<-11
x<-11
5-7x>-5x-13
18>2x
9>x
so the ans is x<-11