A Company Wants to Select 1 Project from a Set

question 76

Multiple Choice

A company wants to select 1 project from a set of 4 possible projects. Which of the following constraints ensures that only 1 will be selected?

• A) X₁ + X₂ + X₃ + X₄ = 1
• B) X₁ + X₂ + X₃ + X₄ ≤ 1
• C) X₁ + X₂ + X₃ + X₄ ≥ 1
• D) X₁ + X₂ + X₃ + X₄ ≥ 0

---

Definitions:

Sharecroppers

Farmers who rent land and pay the landowner with a percentage of the crops produced on the land, a system prevalent in the post-Civil War Southern United States.

Domestic Servants

Workers employed in households to perform various housekeeping duties, such as cleaning, cooking, and caregiving.

Sharecropping

A system of agriculture where a landowner allows a tenant to use the land in return for a share of the crops produced on the land.

African Americans

A term referring to citizens or residents of the United States who have origins in any of the black populations of Africa.