6: Solve and write in interval notation: | x | – 2 < 7
(-9, 9)
(-∞, -5) U (9, ∞)
(-5, 9)
(-∞, 9) U (9, ∞)
7: Solve and write in interval notation: | 3x | + 5 > 14
(-∞, -19/3) U (3, ∞)
(-∞, -3) U (3, ∞)
(-3, 3)
(-19/3, 3)
8: Solve and write in interval notation: | 2x – 4 | ≤ 12
[-4, 8]
(-∞, -4] U [8, ∞)
[-8, 8]
(-∞, -8] U [8, ∞)
9: Solve and write in interval notation: | (3x) / 4 + 5 | < 1
(-∞, -5) U (1, ∞)
(-8, -16/3)
(-16/3, 16/3)
No solution
10: Solve and write in interval notation: -(1/6) + | 2 – x / 3 | > (1/2)
(-∞, ∞)
(-∞, 4) U (7, ∞)
(-∞, 4) U (8, ∞)
No solution
11: Solve and write in interval notation: | 4 – 3x | + 1/2 < -2
(-∞, -3/2) U (3/2, ∞)
(1/2, 13/3)
(-∞, ∞)
No solution
12: Solve and write in interval notation: | 3 – 2x | – 8 ≥ 1
(-∞, -5/2] U [5/2, ∞)
(-∞, -3] U [6, ∞)
[-3, 6]
No solution
2007-03-02
02:53:13
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1 answers
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asked by
me1026
1