Answer:
1a. x is less than or equal to -4
1b. closed circle since its equal to -4
1c. attached image, closed circle on -4 connected to arrow pointing left
2a. x is greater than or equal to -1
2b. closed circle since its equal to -1
2c. attached image, closed circle on -1 connected to arrow pointing right
3a. x is less than 4
3b. open circle since its NOT equal to 4
3c. attached image, open circle on 4 connected to arrow pointing left