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# wx=y xy=???? 1) w(x)^2=16 2) y=4

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wx=y xy=???? 1) w(x)^2=16 2) y=4 [#permalink]  11 Sep 2006, 17:38
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wx=y xy=????

1) w(x)^2=16

2) y=4
Director
Joined: 23 Jun 2005
Posts: 847
GMAT 1: 740 Q48 V42
Followers: 5

Kudos [?]: 29 [0], given: 1

A

1) w(x)^2=16
wx*x=16
But, wx=y.
So, xy=16

2) y=4
Not sufficient
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