Simplify the Expression $$\sqrt { \frac { 7 } { 8 } } - \sqrt { \frac { 63 } { 72 } }$$

question 395

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $$\sqrt { \frac { 7 } { 8 } } - \sqrt { \frac { 63 } { 72 } }$$

• A) \(- \frac { 1 } { 3 }\)
• B) -1
• C) 0
• D) \(- 3\)

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Definitions:

Discounted Cash Flow

A valuation method used to estimate the value of an investment based on its expected future cash flows, adjusted for time value of money.

Working Capital

The difference between a company's current assets and current liabilities, indicating the short-term liquidity.

Cash Outflow

Payments or expenditures made by a business or an individual, leading to a decrease in cash assets.

Cost of Capital

The rate of return a company must earn on its investments to maintain its market value and attract funds.