Simplify the Radical Expression $$\sqrt { 9 x ^ { 2 } + 18 x + 9 }$$

question 27

Multiple Choice

Simplify the radical expression. If appropriate, include absolute values.
- $$\sqrt { 9 x ^ { 2 } + 18 x + 9 }$$

• A) \(- 3 x + 6\)
• B) \(3 x + 3 + \sqrt { 18 x }\)
• C) \(| 3 x + 3 |\)
• D) \(| 3 x - 3 |\)

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Definitions:

Direct Materials Costs

The expense incurred for raw materials that are directly traceable and allocable to a finished product.

Predetermined Rate

A rate calculated before a period begins, used to allocate costs or apply charges in various accounting practices.

Direct Labor Cost

The expense of paying workers who physically produce the goods.

Direct Materials

The raw materials that are directly used in the manufacturing process of a product.