Solve the System by the Method of Your Choice $$\begin{array} { l } 2 \mathrm { x } + \mathrm { y } = 7 \\2 \mathrm { y } = 14 - 4 \mathrm { x }\end{array}$$

question 138

Multiple Choice

Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many
solutions, using set notation to express their solution sets.
- $$\begin{array} { l } 2 \mathrm { x } + \mathrm { y } = 7 \\2 \mathrm { y } = 14 - 4 \mathrm { x }\end{array}$$

• A) \(\left\{ \left[ \frac { 7 } { 2 } , 0 \right\} \right\}\)
• B) \(\{ ( 0,7 ) \}\)
• C) \(\{ ( x , y ) \mid 2 x + y = 7 \}\)
• D) \(\varnothing\)

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Definitions:

Variable Selling

Expenses that change in proportion with the volume of sales, such as commissions or shipping costs.

Special Order

An order for goods or services that is outside the company's normal production or service delivery operations.

Split-off Point

In process costing, the stage in production where multiple products emerge from a single process and continue to be processed further or sold as is.

Joint Production Costs

Costs that are incurred up to the split-off point in a process that produces multiple products.