函數的遞增與遞減
Author: 藍邦偉老師

a

b

$ a $

$ b $

$ 函數的遞增與遞減 $

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$ 觀察 $

A = Point(xAxis)
B = Point(xAxis)
a: x = x(A)
b: x = x(B)
f(x) = (x^(2) + 6 * x * cos(x - 1) + 3) / (x^(2) + x + 3) + 1
Poly1, c, d, e, g = Polygon((x(A), y(Corner[1])), (x(B), y(Corner[1])), (x(B), y(Corner[3])), (x(A), y(Corner[3])))
C = Point(xAxis)
P: (x(C), f(x(C)))
h = Segment(P, C)
f'(x) = f'(x)
i: sgn(f'(x(C)))
f_1 = Function(f, Min[x(A), x(B)], Max[x(A), x(B)])
P': (x(C), f(x(C)))
j = true
u = Vector((x(Corner[1]), 0), (x(Corner[3]), 0))
v = Vector((0, y(Corner[1])), (0, y(Corner[3])))
t_f: "f(x)=" + (f(x(C)))
text1: "x=" + (x(C))