1: Write in interval notation: x < 2 or x > 1
(- ∞ , 2)
(1, 2)
(-∞ , ∞ )
(1, ∞ )
2: Write in interval notation: x < 2 AND x ≥ 1
[1, ∞ )
(1, 2)
(-∞ , ∞ )
[1, 2)
3: Write in interval notation: x < 3 OR x < -1
(-1, 3)
(-∞ , 3)
(-∞ , -1)
(-∞ , ∞ )
4: Write in interval notation: x > 2 OR x ≤ 2
[2, ∞ )
(-∞ , ∞ )
(-∞ , 2)
(-2, 2]
5: Write in interval notation: x ≤ 5 AND x > 3
(3, 5]
(-∞ , 5]
(-∞ , 3)
(-∞ , ∞ )
6: Write in interval notation: x < 5 AND x < 3
(-∞ , 3)
(-∞ , 5)
(3, 5)
(-∞ , ∞ )
2007-02-22
01:21:02
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4 answers
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asked by
me1026
1
in
Mathematics