Question 513325
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Your question makes no sense.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ ax\ +\ yf\ -\ ax\ -\ yf\ =\ 0]


for all real numbers a, x, y, and f.  What does 2 2 25 mean?  Unless it is zero, your statement is false.  On the other hand, discounting that nonsensical part of your question, the fact that x could be no smaller than zero and y can be no smaller than x means that y can be no smaller than zero.



John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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