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4. Nilai minimum dari f(x,y)=4x +7y yang memenuhi sistem pertidaksamaan x-2y 2-2 2x+y 56 x20 y20 Adalah...
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Putra Gema Nusa
Rockstar Teacher GURU SMA
modal: # titik pojok 6 X-2y >-2 2X+YE 6 (310), (011), 10,0) X-2y =-2/12/2*-4y=-4 2X+ y = 61.113x +y = 6 - 5y=-10 x > 0 2X + 2 = 6 2x=4 y=2 HP X = 2 (2,2) -2 3 5 yoo f(x,y) = 4x + 7y Ditanya: nilal Minimum # x-2y > -2 0(0,0) s 0-2.07-2 0>-2 ✓ (0,0), (-2,0) Q # 2x + y = 60 2.0 to s6 LY 1 6 10 X 10 1-2 Yo (0,0) #nilai minimum f(x,y) = ax +7Y -> (0,0) -o f10,0 ) = 9.0 +7.0 = 0 MINIMUM -> (310 ) f(3,0) = 4.3 +7.0 =12 -> (0,1) -- f(0,1 ) - 4.0+7.1 = 7 구 > (2, 2) - ((2, 2) = 9.277.2 = 22 X 10 3 086/ Pahamify (0,1),(3,0)
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