Subtract the Polynomials $$\left( 2 x ^ { 2 n } - 7 x ^ { n } - 19 \right) - \left( 9 x ^ { 2 n } - 5 x ^ { n } + 13 \right)$$

question 9

Multiple Choice

Subtract the polynomials. Assume all variable exponents represent whole numbers.
- $$\left( 2 x ^ { 2 n } - 7 x ^ { n } - 19 \right) - \left( 9 x ^ { 2 n } - 5 x ^ { n } + 13 \right)$$

• A) \(- 7 x ^ { 2 n } - 2 x ^ { n } - 6\)
• B) \(- 7 x ^ { 2 n } + 2 x ^ { n } - 6\)
• C) \(- 7 x ^ { 2 n } - 2 x ^ { n } - 32\)
• D) \(- 7 x ^ { 4 n } - 2 x ^ { 2 n } - 32\)

Understand how standard costs are used in variance analysis.

Understand the concept and calculation of labor efficiency variance.

Understand the concept and calculation of variable overhead rate and efficiency variances.

Understand the concept and calculation of materials quantity variance.

---

Definitions:

Dollar-Weighted

A method of calculating an investment's return that takes into account the time and amount of each cash flow.

Time-Weighted

A method used in finance to measure the performance of investments by calculating the compound growth rate of the investment over a specific period, regardless of external contributions or withdrawals.

Pension Fund

A type of investment pool established to manage and distribute retirement benefits for its members.

Risk-Adjusted

An evaluation measure that takes into account the level of risk involved in an investment to determine its true performance.