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no number can be raised to a power and equal 0 (x^y can never = 0). e is positive (about 2.7) and any positive number can not be raised to a power and equal negative (positive number X positive number = positive number)

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โˆ™ 2011-01-02 21:57:31
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Q: Why doesnt the function y ex ever cross the x-axis?
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