adalah …
Nilai stasioner
f'(x) = 0
x² – 3x + 2 = 0
(x – 2)(x – 1) = 0
x₁ = 1 ; x₂ = 2
x = 0 ➙ f(0) = 0 – 0 + 0 + 9 = 9
x = 1 ➙ f(1) = 1(1)³ – 3(1)² + 2(1) + 9 = 59
3 2 6
x = 2 ➙ f(2) = 1(2)³ – 3(2)² + 2(2) + 9 = 9 2
3 2 3
x = 3 ➙ f(3) = 1(3)³ – 3(3)² + 2(3) + 9 = 10 1
3 2 2
Kaprikornus, fungsi maksimum = 10 1
2