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Beliebt Funktionen >

extreme 2x^2-7x-9

Lösung

extrempunkte

2 x^{2} - 7 x - 9

Lösung

Minimum (\frac{7}{4}, - \frac{121}{8})

Schritte zur Lösung

f^{'} (x) = 4 x - 7

Intervalle finden:

Absteigend

: - \infty < x < \frac{7}{4},

Ansteigend

: \frac{7}{4} < x < \infty

Stecke

x = \frac{7}{4}

in

2 x^{2} - 7 x - 9 : - \frac{121}{8}

Minimum (\frac{7}{4}, - \frac{121}{8})

Graph

Beliebte Beispiele

extreme 2/3 x^3-39/2 x^2+19x,[0<= x<= 1]

e x t re m e \frac{2}{3} x^{3} - \frac{39}{2} x^{2} + 19 x, [0 \leq x \leq 1]

extreme (3+x)/(9-x)

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extreme f(x)=9x^{2/3}-x

e x t re m e f (x) = 9 x^{\frac{2}{3}} - x