Answer:
c
Step-by-step explanation:
It's C
Your graph should be this one, with both lines solid because, the X line, or red, has to be at least -1 or higher, and the Y line, or the blue, has to be +4 or higher
x= - 4
x=1
x= -1
x=7
x= -42
x=5
xx=-0.8
not sure if this is right because the 12xx is kind of strange
12xx+16-1=012xx+15=012xx=-1512/12xx=12/-15xx=-.8
Answer: 622