Math..............?

Question

8: Solve and write in interval notation: 7 ≥ x + 4 OR x – 3 < 2
(-∞, 5)
(-∞, ∞)
[3, 5)
(3, ∞)


9: Solve and write in interval notation: x / 2 ≤ -3 AND x – 5 < 2
(-∞, -3/2)
(-∞, -6]
(-∞, 7)
(-∞, ∞)


10: Solve and write in interval notation: -3 ≤ (x + 4) / 3 < -1
(-∞, ∞)
(-13, ∞)
[-13, -7)
[-13, -5)

Answer 1

8. (-∞, 5)
9. (-∞, 7)
10. [-13, -7)