1.closed circle means equal to
line to the right means greater than
x>= 4
2. open circle means not equal to
line to the left and right means not equal to
x not equal to -4
Choice C
3. less than means open circle and line to the left
x<-3
Choice A
4. m<=-1
closed circle because of the equals
line to the left
Choice B
5. y <6
open circle because of no equals
line to the left
Choice B
6. t>=0
closed circle with the =
line to the right
Choice A
7. x not equal to -4
open circle at 4
lines going both directions
Choice B
8.n <=-1.5
closed circle at -1.5
line going to the left
Choice C
