Multiply
- $\frac { 1 } { 2 } x ^ { - 2 } \left( 6 x ^ { 5 / 3 } - 14 x ^ { - 1 / 2 } \right)$

question 129

Multiple Choice

Multiply.
- $\frac { 1 } { 2 } x ^ { - 2 } \left( 6 x ^ { 5 / 3 } - 14 x ^ { - 1 / 2 } \right)$

• A) \(\frac { 3 } { x ^ { 1 / 3 } } - \frac { 7 } { x ^ { 5 / 2 } }\)
• B) \(\frac { 3 } { x ^ { 1 / 3 } } + \frac { 7 } { x ^ { 5 / 2 } }\)
• C) \(3 x ^ { 1 / 3 } + 7 x ^ { 5 / 2 }\)
• D) \(3 x ^ { 1 / 3 } - 7 x ^ { 5 / 2 }\)

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Definitions:

Mixed Costs

Costs that contain both a variable- and a fixed-cost element and change in total but not proportionately with changes in the activity level.

Fixed Costs

Expenditures such as rent, salaries, and insurance that are unaffected by changes in production or sales volumes.

Contribution Margin

The amount by which a product's sales price exceeds its total variable costs, indicating the contribution towards covering fixed costs and generating profit.

Cost Of Goods Sold

The total cost of merchandise sold during the period.