f'(x) < 0

f'(x) > 0

f'(x) > 0

f(x) rosnąca

f(x) rosnąca

f(x) malejąca

MAX

MIN

f(x) = (1 / 3 * x^(3)) - (2 * x^(2)) + (3 * x) - 2
f'(x) = x^(2) - (4 * x) + 3
A = Intersect(f', xAxis, 1)
B = Intersect(f', xAxis, 2)
g = OrthogonalLine(A, xAxis)
h = OrthogonalLine(B, xAxis)
C = Intersect(f, g, 1)
D = Intersect(f, h, 1)