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in the solution set

by sanju09 » Fri Jul 23, 2010 6:17 am
Which of the following integers is in the solution set of |1 - 3 x| < 5?
I. -1
II. 1
III. 2
A. I only
B. II only
C. III only
D. I and II only
E. I, II and III

[spoiler]Source: majortests.com[/spoiler]
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by kvcpk » Fri Jul 23, 2010 6:27 am
sanju09 wrote:Which of the following integers is in the solution set of |1 - 3 x| < 5?
I. -1
II. 1
III. 2
A. I only
B. II only
C. III only
D. I and II only
E. I, II and III

[spoiler]Source: majortests.com[/spoiler]
substitute:
for -1
4<5..true
for 1
2<5..true
for 2
5<5..false

pick D
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