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Funktion: f(x) = -x2/5 - x, Df = R, Wf = (-∞; 1.25], allgemeine Parabel (Normalform; Scheitelform: f(x) = -0.2·(x+2.5)2 + 1.25), Funktion achsensymmetrisch zur Senkrechten x = -2.5, x -> -∞: f(x) -> -∞, x -> +∞: f(x) -> -∞ ->
| Wertetabelle: | |||||
| x | f(x) | f'(x) | f''(x) | f'''(x) | Besondere Kurvenpunkte |
| -10 | -10 | 3 | -0.4 | 0 | |
| -9.5 | -8.55 | 2.8 | -0.4 | 0 | |
| -9 | -7.2 | 2.6 | -0.4 | 0 | |
| -8.5 | -5.95 | 2.4 | -0.4 | 0 | |
| -8 | -4.8 | 2.2 | -0.4 | 0 | |
| -7.5 | -3.75 | 2 | -0.4 | 0 | |
| -7 | -2.8 | 1.8 | -0.4 | 0 | |
| -6.5 | -1.95 | 1.6 | -0.4 | 0 | |
| -6 | -1.2 | 1.4 | -0.4 | 0 | |
| -5.5 | -0.55 | 1.2 | -0.4 | 0 | |
| -5 | 0 | 1 | -0.4 | 0 | Nullstelle N(-5|0) |
| -4.5 | 0.45 | 0.8 | -0.4 | 0 | |
| -4 | 0.8 | 0.6 | -0.4 | 0 | |
| -3.5 | 1.05 | 0.4 | -0.4 | 0 | |
| -3 | 1.2 | 0.2 | -0.4 | 0 | |
| -2.5 | 1.25 | 0 | -0.4 | 0 | Hochpunkt H(-2.5|1.25) |
| -2 | 1.2 | -0.2 | -0.4 | 0 | |
| -1.5 | 1.05 | -0.4 | -0.4 | 0 | |
| -1 | 0.8 | -0.6 | -0.4 | 0 | |
| -0.5 | 0.45 | -0.8 | -0.4 | 0 | |
| 0 | 0 | -1 | -0.4 | 0 | Nullstelle N(0|0) = Schnittpunkt Sy(0|0) |
| 0.5 | -0.55 | -1.2 | -0.4 | 0 | |
| 1 | -1.2 | -1.4 | -0.4 | 0 | |
| 1.5 | -1.95 | -1.6 | -0.4 | 0 | |
| 2 | -2.8 | -1.8 | -0.4 | 0 | |
| 2.5 | -3.75 | -2 | -0.4 | 0 | |
| 3 | -4.8 | -2.2 | -0.4 | 0 | |
| 3.5 | -5.95 | -2.4 | -0.4 | 0 | |
| 4 | -7.2 | -2.6 | -0.4 | 0 | |
| 4.5 | -8.55 | -2.8 | -0.4 | 0 | |
| 5 | -10 | -3 | -0.4 | 0 | |
| 5.5 | -11.55 | -3.2 | -0.4 | 0 | |
| 6 | -13.2 | -3.4 | -0.4 | 0 | |
| 6.5 | -14.95 | -3.6 | -0.4 | 0 | |
| 7 | -16.8 | -3.8 | -0.4 | 0 | |
| 7.5 | -18.75 | -4 | -0.4 | 0 | |
| 8 | -20.8 | -4.2 | -0.4 | 0 | |
| 8.5 | -22.95 | -4.4 | -0.4 | 0 | |
| 9 | -25.2 | -4.6 | -0.4 | 0 | |
| 9.5 | -27.55 | -4.8 | -0.4 | 0 | |
| 10 | -30 | -5 | -0.4 | 0 | |
| Graph: | |||||
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Abkürzungen: Df = (maximaler) Definitionsbereich, f(x) = Funktion, f'(x) = 1. Ableitung, f''(x) = 2. Ableitung, f'''(x) = 3. Ableitung, H = Hochpunkt, N = Nullstelle, P = Polstelle, R = reelle Zahlen, T = Tiefpunkt, W = Wendepunkt, WS = Sattelpunkt, Wf = Wertebereich, {.} = ein-/mehrelementige Menge, [.; .] = abgeschlossenes Intervall, (.; .) = offenes Intervall, [.; .), (.; .] = halboffenes Intervall, ∞ = unendlich.
Bearbeiter: Michael Buhlmann