Use a Calculator to Give the Real Number Value $$y = \cos ^ { - 1 } ( - 0.3907 )$$

question 169

Multiple Choice

Use a calculator to give the real number value. Round the answer to 7 decimal places.
- $$y = \cos ^ { - 1 } ( - 0.3907 )$$

• A) \(2.0079383\)
• B) \(1.9721882\)
• C) \(- 1.1698423\)
• D) \(1.9206367\)

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Definitions:

Inputs

Resources used in the production process, including labor, capital, and materials.

Outputs

Goods and services of value to households.

Explicit Costs

Payments made directly to external parties as part of business operations, including salaries, rental fees, and the cost of goods.

Implicit Costs

are indirect expenses that do not involve a direct payment of money but represent a loss of opportunity to use resources elsewhere.