Simplify the Expression $\sqrt { 245 x ^ { 2 } }$

question 356

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $\sqrt { 245 x ^ { 2 } }$

• A) \(245 x\)
• B) \(7 \times \sqrt { 5 }\)
• C) \(5 x ^ { 2 } \sqrt { 7 }\)
• D) \(7 \sqrt { 5 x }\)

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Definitions:

Average Total Cost

The total cost of production divided by the number of units produced, encompassing both fixed and variable costs.

Total Variable Costs

The sum of expenses that vary directly with the level of production or sales volume.

Marginal Cost

The amount of money needed to create an additional unit of a product or service.

Average Total Costs

The total costs of production (fixed and variable) divided by the quantity of output produced.