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# 1 more GmatPrep1 question

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Manager
Joined: 24 Sep 2008
Posts: 189

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16 Feb 2009, 14:41
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

I got this question right. But didn't really understand why Answer D cannot be right either. Anyone care to explain? Thanks.
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Why is D not correct either.doc [49.5 KiB]

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A New Yorker's MBA Journey Yo!
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Senior Manager
Joined: 08 Jan 2009
Posts: 324
Re: 1 more GmatPrep1 question [#permalink]

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16 Feb 2009, 18:26
1)x^4 >= 1 means x <= -1 or x >= 1
2)x^3 <= 27 means x <= 3
3)x2 >=16 means x>= -4 0r x<= 4
4)2<= |x| < = 5
-2=<x>=-5
2=<x>=5
5) x > = -2/3 and x<= 2/3 so single line segement of finite length
Manager
Joined: 24 Sep 2008
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Re: 1 more GmatPrep1 question [#permalink]

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17 Feb 2009, 06:47
Still not sure why D isn't correct.
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A New Yorker's MBA Journey Yo!
http://xlick.blogspot.com/

Manager
Joined: 11 Sep 2008
Posts: 57
Re: 1 more GmatPrep1 question [#permalink]

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17 Feb 2009, 08:17
because D is 2 lines of finite lengths.

--(-5)=====(-2)---0----(2)=====(5)----

E is 1 line of finite length.

----(-2/3)===0===(2/3)-----
Re: 1 more GmatPrep1 question   [#permalink] 17 Feb 2009, 08:17
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# 1 more GmatPrep1 question

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