it gives this:
The function is strictly increasing on and therefore has an inverse function .
i know the rule is for the second, but what do i plug into to make it ??
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Originally Posted by Arez ... but what do i plug into to make it ?? er, x = 1 seems to work
it should be more or less easy to see this, but if not, just set x^5 + x = 2 and solve for x. which is harder.
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