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How can I set a domain of all the real numbers except a particular number in Geogebra?
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So I want to find the inverse of e(x) = x / (x + 2). This function has all the real numbers except 2, where is undefined. What I tried to do was to do an ifstatement saying (if x != 2, x / (x +2)), but it stills give me undefined. Is there a way to plug the domain of this function? Without this value it should have indeed an inverse.
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OK, try this
orI also didn't notice that this function is restricted on 1, as the inverse would be undefined. So, it would be cool to know about a way to have the domain as all the real numbers except these last two.
There are restrictions on the use of Invert( ) command for functions.
Please see the wiki. https://wiki.geogebra.org/e...
Do you mean like this?
If not please explain
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