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# If |x^3| + |y^3| > 1, which of the following must be

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If |x^3| + |y^3| > 1, which of the following must be [#permalink]  20 Feb 2004, 04:32
If |x^3| + |y^3| > 1, which of the following must be true?
a. -1 < x < 1 an d -1 < y < 1
b. -3/4 < x < 3/4 and -3/4 < y < 3/4
c. |x| + |y| > 1.8
d. x < 1 and y > 1
e. none of the above.
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Looks like D) to me
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