y < -1/2x +3 for me
No other solution satisfy the fact that y<3 when x=0 and y<0 when x=6
You can also see that the equation of line l is y=-1/2x+3
And what we want is everything under l so y<-1/2x+3
Hope it's ok.
DS XY-plane
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Source: Beat The GMAT — Data Sufficiency |












