Find the Reflexive Closure and the Symmetric Closure of the Relation

question 13

Essay

Find the reflexive closure and the symmetric closure of the relation {(1,2),(1,4),(2,3),(3,1),(4,2)} on the set {1,2,3,4} .

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Definitions:

Total Contribution Margin

The difference between total sales revenue and total variable costs, measuring how much revenue covers fixed costs and profits.

CVP Graph

A visual representation of the Cost-Volume-Profit analysis that illustrates the relationships between costs, volume, and profit.

Total Fixed Expenses

Total fixed expenses refer to the sum of all costs that do not change with the level of production or sales over a certain period.

Total Variable Expenses

The sum of all costs that vary directly with the level of production or sales volume over a specific period.