Statement 1: The square of a number is always greater than the original number
Statement 2: The cube of a real negative number is always negative
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For Statement 1, x 2 > x is false for x ∈ [ 0 , 1 ] . Statement 2 is true for all x < 0 since ( − x ) 3 = ( − 1 ) 3 ⋅ x 3 = − x 3 .