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Beliebt Funktionen >

extreme f(x)=((42-x)x-(2x+80))

Lösung

extrempunkte

f (x) = ((42 - x) x - (2 x + 80))

Lösung

Maximum (20, 320)

Schritte zur Lösung

f^{'} (x) = - 2 x + 40

Intervalle finden:

Ansteigend

: - \infty < x < 20,

Absteigend

: 20 < x < \infty

Stecke

x = 20

in

(42 - x) x - (2 x + 80) : 320

Maximum (20, 320)

Graph

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