Not a Problem
given are a polynomial function f and an interval,
If the maximum of the function coincides with one of the boundaries GeoGebra sometimes gives the wrong boundary as maximum.
chris
Files:
maximum.ggb
The same problem 
Seems OK to me, it must have a local max in the interval:
https://wiki.geogebra.org/e...
hi Michael
I can understand that given this definition of maximum the function hasn't got a maximum in the given interval, but maybe GG shouldn't give a solution or something as not defined. Now A is given as result for maximum, while all the x-values between -1.1 and -0.89 have got a greater function value than A.
chris
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