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question

I do not understand why y=-3 when x=0.
we have the equation 2x+3y<=6, when x=0, y<=3 and when y=0, x<=3. Thus the region R is for all x<3, y<2. The second equation satisfies this condition so i think the answer is B.

by chinks

Sat May 09, 2009 3:10 am
Forum: Data Sufficiency
Topic: OG 12 - DS 121
Replies: 6
Views: 3191