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The first equation can be written as x> y^2
lets say x=1/2 and y=1/2. this satisfies the equation above. But x^3 = 1/8 and y=1/2. Hence x^3 is not greater than y
Say x =2 and y =2, Satisifies (1) but x^3 = 8 and y= 2, hence x^3> y
We cannot give the answer with certainty

2 is not sufficent.

Say X =1/2 and Y =1/4, satisfies (2), but x^3 < y
Say X=2 and Y=1 , satisfies (2) but X^3 > y

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