A Production Optimization Problem Has 4 Decision Variables and Resource $\le$

Multiple Choice

A production optimization problem has 4 decision variables and resource 1 limits how many of the 4 products can be produced. Which of the following constraints reflects this fact?

A) f(X₁, X₂, X₃, X₄) $\le$ b₁
B) f(X₁, X₂, X₃, X₄) $\ge$ b₁
C) f(X₁, X₂, X₃, X₄) = b₁
D) f(X₁, X₂, X₃, X₄) $\neq$ b₁