www.michael-buhlmann.de
Funktion: f(x) = -0.4·x2 + 2.8·x + 4, Df = R, Wf = (-∞; 8.9], allgemeine Parabel (2. Grades), Funktion achsensymmetrisch zur Senkrechten x = 3.5, x -> -∞: f(x) -> -∞, x -> +∞: f(x) -> -∞ ->
| Wertetabelle: | |||||
| x | f(x) | f'(x) | f''(x) | f'''(x) | Besondere Kurvenpunkte |
| -10 | -64 | 10.8 | -0.8 | 0 | |
| -9.5 | -58.7 | 10.4 | -0.8 | 0 | |
| -9 | -53.6 | 10 | -0.8 | 0 | |
| -8.5 | -48.7 | 9.6 | -0.8 | 0 | |
| -8 | -44 | 9.2 | -0.8 | 0 | |
| -7.5 | -39.5 | 8.8 | -0.8 | 0 | |
| -7 | -35.2 | 8.4 | -0.8 | 0 | |
| -6.5 | -31.1 | 8 | -0.8 | 0 | |
| -6 | -27.2 | 7.6 | -0.8 | 0 | |
| -5.5 | -23.5 | 7.2 | -0.8 | 0 | |
| -5 | -20 | 6.8 | -0.8 | 0 | |
| -4.5 | -16.7 | 6.4 | -0.8 | 0 | |
| -4 | -13.6 | 6 | -0.8 | 0 | |
| -3.5 | -10.7 | 5.6 | -0.8 | 0 | |
| -3 | -8 | 5.2 | -0.8 | 0 | |
| -2.5 | -5.5 | 4.8 | -0.8 | 0 | |
| -2 | -3.2 | 4.4 | -0.8 | 0 | |
| -1.5 | -1.1 | 4 | -0.8 | 0 | |
| -1.218 | 0 | 3.77 | -0.8 | 0 | Nullstelle N(-1.22|0) |
| -1 | 0.8 | 3.6 | -0.8 | 0 | |
| -0.5 | 2.5 | 3.2 | -0.8 | 0 | |
| 0 | 4 | 2.8 | -0.8 | 0 | Schnittpunkt Sy(0|4) |
| 0.5 | 5.3 | 2.4 | -0.8 | 0 | |
| 1 | 6.4 | 2 | -0.8 | 0 | |
| 1.5 | 7.3 | 1.6 | -0.8 | 0 | |
| 2 | 8 | 1.2 | -0.8 | 0 | |
| 2.5 | 8.5 | 0.8 | -0.8 | 0 | |
| 3 | 8.8 | 0.4 | -0.8 | 0 | |
| 3.5 | 8.9 | 0 | -0.8 | 0 | Hochpunkt H(3.5|8.9) |
| 4 | 8.8 | -0.4 | -0.8 | 0 | |
| 4.5 | 8.5 | -0.8 | -0.8 | 0 | |
| 5 | 8 | -1.2 | -0.8 | 0 | |
| 5.5 | 7.3 | -1.6 | -0.8 | 0 | |
| 6 | 6.4 | -2 | -0.8 | 0 | |
| 6.5 | 5.3 | -2.4 | -0.8 | 0 | |
| 7 | 4 | -2.8 | -0.8 | 0 | |
| 7.5 | 2.5 | -3.2 | -0.8 | 0 | |
| 8 | 0.8 | -3.6 | -0.8 | 0 | |
| 8.216 | 0 | -3.77 | -0.8 | 0 | Nullstelle N(8.22|0) |
| 8.5 | -1.1 | -4 | -0.8 | 0 | |
| 9 | -3.2 | -4.4 | -0.8 | 0 | |
| 9.5 | -5.5 | -4.8 | -0.8 | 0 | |
| 10 | -8 | -5.2 | -0.8 | 0 | |
| Graph: | |||||
![]() | |||||
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