The Constraint X₁ + X₂ + X₃ + X₄ ≤

question 10

True/False

The constraint x₁ + x₂ + x₃ + x₄ ≤ 2 means that two out of the first four projects must be selected.

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Definitions:

Proficient

Describes having a high degree of competence or skill in a particular activity or field, often as a result of practice and learning.

Multiple Roles

Refers to the various roles an individual may play simultaneously in society, such as being a parent, employee, and student.

Marriage Rates

The number of marriages within a given population size or group per unit of time, typically expressed as marriages per year per 1,000 people.

Total Institutions

Places of residence and work where a large number of like-situated individuals, cut off from the wider society for an appreciable period of time, together lead an enclosed, formally administered life.