Decide What Values of the Variable Cannot Possibly Be Solutions $$\frac { x } { x - 7 } = \frac { 7 } { x - 7 } + 7$$

question 476

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $$\frac { x } { x - 7 } = \frac { 7 } { x - 7 } + 7$$

• A) \(\{ 7 \}\)
• B) \(\{ - 7 \}\)
• C) \(\varnothing\)
• D) \(\{ 0 \}\)

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Definitions:

Variable Costs

Expenses that fluctuate in direct proportion to production levels or output, including labor and materials.

Short-run Supply Curve

A graphical representation of the quantity of goods a firm is willing and able to supply to the market at different prices, over a short period where at least one input is fixed.

Marginal Cost

The financial commitment needed for the creation of an additional unit of a product or service.

Fixed Cost

Expenses that do not vary with the level of production or sales, such as rent, salaries, or insurance costs.