• I

• II

• III

• IV

• I dan IV

• $x\ ≥\ 0,\ 6x+y\ ≤\ 12,\ 5x+4y\ ≥\ 20$

• $x\ ≥\ 0,\ 6x+y\ ≥\ 12,\ 5x+4y\ ≤\ 20$

• $x\ ≥\ 0,\ 6x+y\ ≤\ 12,\ 4x+5y\ ≥\ 20$

• $x\ ≥\ 0,\ x+6y\ ≤\ 12,\ 4x+5y\ ≥\ 20$

• $x\ ≤\ 0,\ 6x+y\ ≤\ 12,\ 4x+5y\ ≥\ 20$

• ABD

• BCD

• BCE

• DBE

• OABC

• $6x+4y\ ≤\ 18,\ 2x+8y\ ≤\ 18,\ x\ ≥\ 0,\ y\ ≥\ 0$

• $3x+2y\ ≤\ 9,\ 2x+4y\ ≤\ 9,\ x\ ≥\ 0,\ y\ ≥\ 0$

• $2x+3y≤9,\ 4x+2y≤9,\ x≥0,\ y≥0$

• $3x+4y≤9,\ 2x+2y≤9,\ x≥0,\ y≥0$

• $2x+3y≤9,\ 4x-2y≤9,\ x≥0,\ y≥0$

• 400

• 500

• 700

• 800

• 900

• 9.000

• 10.000

• 10.500

• 11.000

• 13.000

• 25

• 15

• 12

• 11

• 10

• 6

• 12

• 13

• 18

• 19

• $f(x,y)=50x+100y$

• $f(x,y)=100x+50y$

• $f(x,y)=45x+100y$

• $f(x,y)=100x+45y$

• $f(x,y)=250x+50y$

• x + 2y ≤ 8 dan 6x + 5y ≤ 30

• 2x + 2y ≤ 8 dan 6x + 5y ≤ 30

• x + 2y ≤ 8 dan 6x - 5y ≤ 30

• x + 2y ≥ 8 dan 6x + 5y ≤ 30

• 2x - 2y ≤ 8 dan 6x + 5y ≤ 30