Use Back-Substitution to Solve the System of Linear Equations $$\left\{ \begin{array} { c c } 2 x + y - 3 z & = 10 \\y + z & = 6 \\z & = 4\end{array} \right.$$

question 53

Multiple Choice

Use back-substitution to solve the system of linear equations.? $$\left\{ \begin{array} { c c } 2 x + y - 3 z & = 10 \\y + z & = 6 \\z & = 4\end{array} \right.$$ ?

• A)? \[( 10,1,4 )\]
• B)? \[( - 10,2 , - 4 )\]
• C)? \(( 10,2 , - 4 )\)
• D)? \(( 10,2,4 )\)
• E)? \(( - 10,2,4 )\)

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Definitions:

MRP Curve

The Marginal Revenue Product curve, showing how the additional revenue from selling one more unit of a product changes with the quantity of the product sold.

Labor Demand Curve

A graphical representation of the quantity of labor employers are willing to hire at each possible wage rate, holding all other factors constant.

Elastic Demand

A situation in which the demand for a product is sensitive to price changes, with significant changes in demand occurring with small changes in price.

Resource Demand

The demand for resources or inputs (like labor, capital, and raw materials) that are necessary for production.