n-function
f(x) =
α>β>γ>δ…>ω
a>0
x>α
0 < f(x)
α<x<β
f(x) < 0
β<x<γ
0 < f(x)
γ<x<δ
f(x) < 0
:
:
:
x<ω
f(x)<0
f(x)>0
a<0
x>α
0 > f(x)
α<x<β
f(x) > 0
β<x<γ
0 >f(x)
γ<x<δ
f(x) > 0
:
:
:
x<ω
f(x) > 0
f(x) < 0
T.theodor 2022.7.25