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OG12 PS#130

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OG12 PS#130 [#permalink] New post 19 Apr 2010, 18:03
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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
OG12 PS#130 page:227
Alternative solution/shortcut:

The center of the segment is x = ((-5) + 3)/2 = -1. Due to symmetry modulus has to be equal 0 at x=-1. Only |x+1| <= 4 works.


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OG12 PS#130   [#permalink] 19 Apr 2010, 18:03
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OG12 PS#130

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