x + 2y ≤ 14, 5x + 2y ≤ 30, y ≤ 6, x ≥ 0, y ≥ 0
ialah
31
Pembahasan:
Titik B ⇒ y = 6
x + 2y = 14
x + 2(6) = 14
x = 2
Titik C
x + 2y = 14
3x + 2y = 40 _
4x = 16
x = 4
y = 5
Titik potong f(x, y) = 4x + 3y
A(0,6) ⇒ f(0,6) = 4.0 + 3.6 = 18
B(2,6) ⇒ f(2,6) = 4.2 + 3.6 = 26
C(4,5) ⇒ f(4,5) = 4.4 + 3.5 = 31
D(6,0) ⇒ f(6,0) = 4.6 + 3.0 = 24
Nilai maksimum 31