Which assumption of linear programming allows decision variables to take fractional values?
Correct answer: D. Divisibility of activities
- A. Proportionality of returns
- B. Certainty of coefficients
- C. Additivity of contributions
- D. Divisibility of activities
Explanation
The divisibility assumption permits variables to have non-integer values, such as 2.5 units. Integer programming removes this assumption by requiring selected variables to be whole numbers.
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Linear programming models the maximum or minimum of an objective function subject to linear constraints. Questions involve translating word conditions into inequalities, drawing the feasible region, identifying corner points and evaluating the objective function, including cases involving non-negativity restrictions and redundant constraints.
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