Multiply Rational Expressions
- $$\frac { x ^ { 2 } + 11 x + 18 } { x ^ { 2 } + 18 x + 81 } \cdot \frac { x ^ { 2 } + 9 x } { x ^ { 2 } - 2 x - 8 }$$

question 36

Multiple Choice

Multiply Rational Expressions
- $$\frac { x ^ { 2 } + 11 x + 18 } { x ^ { 2 } + 18 x + 81 } \cdot \frac { x ^ { 2 } + 9 x } { x ^ { 2 } - 2 x - 8 }$$

• A) \(\frac { x } { x - 4 }\)
• B) \(\frac { 1 } { x - 4 }\)
• C) \(\frac { x ( x + 9 ) } { x - 4 }\)
• D) \(\frac { x } { x ^ { 2 } + 18 x + 81 }\)

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Definitions:

Shut Down

A short-term decision by a company to cease operations temporarily due to unfavorable market conditions or to minimize losses when variable costs exceed total revenues.

Maximizes Profit

The strategy or process implemented to increase the difference between total revenue and total costs to the highest possible amount.

Marginal Revenue

Income gained by selling an additional unit of a product or service.

Marginal Cost

The increased expenditure incurred from producing one more unit of a product or service.