Solve the System by Using the Substitution Method $$\left( \begin{array} { c } 5 x - y = 11 \\x = \frac { 1 } { 2 } y - 2\end{array} \right)$$

question 113

Multiple Choice

Solve the system by using the substitution method. $$\left( \begin{array} { c } 5 x - y = 11 \\x = \frac { 1 } { 2 } y - 2\end{array} \right)$$

• A) (14, 5)
• B) (5, 8.4)
• C) (5, 14)
• D) infinitely many solutions
• E) no solutions

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Definitions:

Average Total Cost

Calculated as the sum of all production costs divided by the number of units produced, representing the per unit cost of production.

Average Variable Cost

The sum of all costs that vary with output levels, divided by the total output generated.

Economies of Scale

The cost advantage that arises with increased output of a product, as the fixed costs are spread over more units of production.

Adam Smith

An 18th-century Scottish economist and philosopher, best known for his theories of the free market and the "invisible hand" guiding economies.