tolong bantu Secepatnya...

jawab

daerah HP  dibatasi titik A(6,0), B(2,8),  C(0,9)
f(x,y)= 3x+ 2y

A(6,0) → f(6,0)= 3(6)= 18
B(2,8) → f(2,8) = 3(2) + 2(8) = 22
C(0,9) → f(0,9) =3(0) + 2(9) = 18
maksimum = 22