6: Write in interval notation: x < 5 AND x < 3
(-∞ , 3)
(-∞ , 5)
(3, 5)
(-∞ , ∞ )
7: Solve and write in interval notation: -2 ≤ x + 4 OR -1 + 3x > -8
(-∞ , ∞ )
[-6, -3)
[-6, -7/3)
[-6, ∞ )
8: Solve and write in interval notation: x – 3 ≤ 2 AND -x / 3 < 2
(- ∞ , -2/3)
(-∞, ∞)
(-6, 5]
(-6, ∞)
9: Solve and write in interval notation: -3x > 2 OR (2x + 2) / 3 > 0
(-2/3, 1)
(-1, -2/3)
(-∞, -2/3)
(-∞, ∞)
10: Solve and write in interval notation: -3 ≤ (x – 4) / 2 < 4
(-∞, ∞)
[-2, 12)
[1, 8)
(-2, Inf)
11: Solve and write in interval notation: -7 < 4x – 3 ≤ 7
(-1, 5/2]
(-1, 1]
(-∞, ∞)
(-1, ∞)
12: Solve and write in interval notation: -4x – 2 < 6 AND 3x ≥ -6
[-2, ∞)
(-∞, ∞)
(-2, ∞)
(-∞, -2]
2007-02-27
02:03:33
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2 answers
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asked by
me1026
1