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Moment of truth
As at 2005, the major source of antioxidants in the US diet is coffee, followed by tea, bananas and dried beans.


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odd function Math.
A function f(x) is said to be odd if f(x) = -f(-x). For instance, f(x) = x3 is an odd function since the function changes sign when variable x is change sign. An odd function is not symmetrical about an axis but have a centre of symmetry about the origin.

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