多項式(17)
Author: 藍邦偉　老師

Γ_1

Γ_2

Γ_3

O

x

y

(1)Γ_2為y=a_1x³的圖形

(2)∵x值越大,y值越小∴a_1<0

(3)Γ_1是y=a_2(x+7)³的圖形

∵x值越大,y值越大∴a_2>0

(4)Γ_3是y=a_3(x+h)⁴的圖形

∵x值越大,y值越小∴a_3<0

(5)y=a_3(x+h)⁴h的圖形是y=a_3x⁴

的圖形向左平移h,故h>0

f_1(x) = -x^(3)
f_2(x) = (x + 7)^(3)
f_3(x) = -(x + 3.207402263414634)^(4) - 0.03456704390243892
u = Vector((-9, 0), (4, 0))
v = Vector((0, -6), (0, y(Corner[3])))
n = 0 (slider from 0 to 9, step 1)
A = (-17.97922072195119, 0.4898526829268173)
B: A + (2.1, 0)
D: A + (0, 1)
C: B + D - A
poly1, a, b, c, d = Polygon(A, B, C, D)