In a BIP Problem with 2 Mutually Exclusive Alternatives,x₁ and X₂,the

question 3

Multiple Choice

In a BIP problem with 2 mutually exclusive alternatives,x₁ and x₂,the following constraint needs to be added to the formulation:

• A)x₁ + x₂ \(\le\) 1.
• B)x₁ + x₂ \(\ge\) 1.
• C)x₁ - x₂ \(\le\) 1.
• D)x₁ - x₂ = 1.
• E)None of the above.

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Definitions:

Bacillus Anthracis

A bacterium that causes anthrax, a serious infectious disease in humans and animals.

Gram-positive

Relating to a group of bacteria that retain the crystal violet stain used during the Gram staining method of bacterial differentiation, appearing purple under a microscope.

Gram-variable

Pertaining to bacteria that do not consistently stain either as Gram-positive or Gram-negative because of their cell wall composition variations.

Opaqueness

The quality of being difficult to see through or understand, often used to describe materials that are not transparent or clear communications.