5. You have just less than, not less than or equal to, so you need an open dot. Open dot on -1. Then shade to the left. Answer: A.
6. The graph shows [tex] m \ge -60 [/tex] Now we need to turn it into one of the choices. Subtract m from both sides. [tex] 0 \ge -60 - m [/tex] Add 60 to both sides. [tex] 60 \ge -m [/tex] Now multiply both sides by -1. (Remember to change the direction of the inequality sign.) [tex] -60 \le m [/tex] Answer: A.
7. d - 6 > - 4 Add 6 to both sides. d > 2 Answer: C.