Changes in Objective Function Coefficient
The amount by which an objective function coefficient can change before a different set of values for the decision variables becomes optimal is the
a. optimal solution.
b. dual solution.
c. range of optimality.
d. range of feasibility.
https://brainmass.com/physics/right-hand-rule/changes-objective-function-coefficient-87945
Solution Preview
The range of optimality for an objective function coefficient is the range of that coefficient for which the current optimal ...
Solution Summary
The solution provides detailed explanations and references for the problem.
If the coefficient for Activity 2 in the objective function changes to $400, then the objective function value
Using Fig 1.1 attached for remaining questions
4) If the coefficient for Activity 2 in the objective function changes to $400, then the objective function value:
a will increase by $7,500
b will increase by $2,750
c will increase by $100
d will remain the same
e can only be discovered by resolving the problem
5) If the coefficient for Activity 1 in the objective function changes to $50, then the objective function value
a will decrease by $450
b is $0
c will decrease by $2750
d will remain the same
e can only be discovered by resolving the problem
6) If the coefficient for Activity 2 in the objective function changes to $100, then
a the original solution remains optimal
b the problem must be resolved to find the optimal solution
c the shadow price is valid
d the shadow price is not valid
e none of the above
7) If the right hand side of resource b changes to $80, then the objective function value:
a will decrease by $75
b will decrease by $150
c will decrease by $225
d will remain the same
e can only be discovered by resolving the problem
8) if the objective coefficients of activity 2 and activity 3 are both decreased by $100, then
a the original solution remains optimal
b the optimal solution may or not may remain the same
c the optimal solution will change
d the shadow prices are valid
e none of the above
10) If the right hand side of Resouce C changes to $130 then:
a the original solution remains optimal
b the problem must be resolved to find the optimal solution
c the shadow price is valid
d the shadow price is not valid
e none of the above