Thread: Calculus Query
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Unread 20-10-2005, 19:42
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Re: Calculus Query

Quote:
Originally Posted by Manoel
Well, you didn't read the question with enough attention. Phrontist wants a function such that its derivative is equal to its inverse, not the function itself.



No, not at all. My previous example of y = x^2 would not be a function if you were correct. You described a bijective function, but there are also injective and, the ones that disproves you, surjective functions.



Yeah, that is correct if you disregard the derivative part of the problem.
but you can only actually call it a function if its 1-1 in theory...
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