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5.設A(0,0)、B(2,0)、C(5,2)、D(0,3)為坐標平面上的四點。若區域S代表四邊形ABCD的內部(含邊界),則區域 S 中的點 (x,y) 代入下列哪些目標函數的最大值會發生在 C 點
問題詳情
5.設A(0,0)、B(2,0)、C(5,2)、D(0,3)為坐標平面上的四點。若區域S代表四邊形ABCD的內部(含邊界),則區域 S 中的點 (x ,y) 代入下列哪些目標函數的最大值會發生在 C 點 ?
(A) P1(x,y )= x− y
(B) P
2(x,y )= x− 2y
(C)P
3(x,y )= x+y
(D)P
4(x,y )= x+2y
參考答案
答案:A,C,D
難度:
計算中
-1
書單:
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