From given two statements the first statement is true and the second statement is false.
What is objective function, decision variable?
Decision Variables: These are the unknowable numbers that the LPP solution is supposed to approximate as an output. All linear programming issues seek to maximize or minimize some numerical value that represents revenue, expenditure, output volume, etc.
An objective function need not include any of the decision factors, or even any of the choice variables at all.
The statement: In linear optimization model, the objective function and all constraints are linear functions of the decision variables is the true statement.
Each constraint or objective function is linear combination of decision variable with some coefficients.
The second statement: Each function is simply a sum of terms, each of which is some constant multiplied by a decision variable is the false statement.
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