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Gegeben sei $ f(x) = \\frac{1}{3} x^3 - 4x + 1 $ als Funktionsterm der Funktion $ f $.

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Ändert die zweite Ableitung an einem Punkt das Vorzeichen, so liegt ein Wendepunkt vor.

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Bleibt es gleich, so handelt es sich um einen Flachpunkt.

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Wie lautet die erste Ableitung der Funktion $ f $ nach $ x $? (Hinweis: Verwende das \"^\"-Zeichen zur Eingabe von Exponenten wie in \"x^2\")

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An welchen Stellen nimmt die Funktion $ f $ lokale Extrema ein?

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Wie lautet die zweite Ableitung $ f''(x) $?

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Liegt für $ x = 0 $ nur ein Flach- oder auch Wendepunkt vor?

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