Data, Model and Decision知到章节测试答案智慧树2023年最新华南理工大学
第一章测试
1.The purpo of break-even analysis is to determine the number of units of a product to ll or produce that will equate total revenue with total cost. At the break-even point, the profit is ( ) zero.
参考答案:
equal to
2.In general, an increa in variable costs will（ ）the break-even point, all other things held constant.
参考答案:
increa
3.It’s important to make full u of techniques in management science process, which techniques are commonly ud for the purpo of decision-making（ ）?
捞鱼游戏
飞鱼星路由器参考答案:
Transportation and assignment
餐饮店转让;Linear programming models
;Project management (like CPM/PERT)
卡通男生头像;Decision analysis
4.Manufacturing companies develop linear programming models to help decide how many units of different products they should produce to maximize their profit (or minimize their cost), given scarce resources such as capital, labor, and facilities. ( ）
霍英东集团
参考答案:
对
第二章测试
5.If the graphical method is ud to solve the linear programming problem, the number of decision variables should be ( ).
关闭硬件加速参考答案:
2
弹性退休6.In the linear programming model, ( ) restrict the decision variables to zero or positive values.
参考答案:
Nonnegativity constraints
毛香
7.If the optimal solution of the linear programming problem is reached at two vertices of feasible domain at the same time, then the optimal solution has ( ).
参考答案:
A line gment connecting two vertices
8.The following features of standard form of Linear programming are correct（ ）.
参考答案:
The decision variables are nonnegative
9.The optimal solution of the linear programming problem must be the feasible solution.
（ ）
参考答案:
对
第三章测试
10.Given that a linear programming problem is as following, the optimal solution of dual problem is ( ).
参考答案:
Y= (4/5,3/5,1,0)
11.The following statements of 100% rule of objective function coefficient is correct（ ）.
参考答案:
The sum of all changed coefficients percentages of allowable increa and allowable decrea does not reach 100%, the optimal solution won’t change.
