Simplify Assume That All Exponents Represent Natural Numbers $\left( 3 y ^ { 2 n } + 9 y ^ { n } - 1 \right) - \left( 4 y ^ { 2 n } + 3 y ^ { n } - 9 \right)$

question 87

Multiple Choice

Simplify. Assume that all exponents represent natural numbers.
- $\left( 3 y ^ { 2 n } + 9 y ^ { n } - 1 \right) - \left( 4 y ^ { 2 n } + 3 y ^ { n } - 9 \right)$

• A) \(y ^ { 2 n } + 6 y ^ { n } + 8\)
• B) \(- y ^ { 2 n } - 6 y ^ { n } - 10\)
• C) \(- y ^ { 2 n } + 6 y ^ { n } + 8\)
• D) \(- y ^ { 2 n } + 6 y ^ { n } - 10\)

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Definitions:

Activity Variance

A measure used in budgeting and accounting to compare actual activity levels to predetermined expectations or standards.

Cost Formula

A mathematical expression that calculates the total cost by combining fixed costs, variable costs per unit, and the number of units produced or sold.

Servicing Materials

Supplies or materials used in the maintenance or repair of equipment.

Spending Variance

The difference between the budgeted amount of expense and the actual amount spent.