Evaluate the Integral $$\int 9 \sec ^ { 4 } x d x$$

question 122

Multiple Choice

Evaluate the integral.
- $$\int 9 \sec ^ { 4 } x d x$$

• A) \(3 \tan ^ { 3 } x + C\)
• B) \(- 3 \tan ^ { 3 } x + C\)
• C) \(9 ( \sec x + \tan x ) ^ { 5 } + C\)
• D) \(9 \tan x + 3 \tan ^ { 3 } x + C\)

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Definitions:

Outlay

The total amount of money spent on a particular purchase or project.

IRR

Internal Rate of Return; a metric used in financial analysis to estimate the profitability of potential investments.

Cost of Capital

The rate of return that a company must pay on its investment and financing activities to maintain its current market value.

Cash Inflows

Money received by a business or organization through its activities, such as sales revenue, investment income, or financing.