Solved
In the attached file function f(x) is not drawing.
GGB 5.0.634, Windows 10 pro
No problems in GGB6.0 WEB
Files:
functionWithVar...
The same problem 
In the attached file function f(x) is not drawing.
GGB 5.0.634, Windows 10 pro
No problems in GGB6.0 WEB
Thanks, seems OK in GeoGebra 6 for me too
Workaround
das ist mir auch schon passiert: zufällig gefundene "Lösung": anzeigen in Grafik ausklicken, anzeigen in Grafik2 anklicken,
und wieder zurück! warum das hilft? keine Ahnung!
Gruss
w.f.
https://help.geogebra.org/t... ?
Please try v636 (and do a full reinstall if it's not working)
Also use File->Open rather than double-click for now
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