Determine Where the Function Is Increasing and Where It Is $$f ( x ) = x ^ { 2 } + 4 x + 4$$

question 100

Multiple Choice

Determine where the function is increasing and where it is decreasing.
- $$f ( x ) = x ^ { 2 } + 4 x + 4$$

• A) increasing on \(( 2 , \infty )\)
• decreasing on \(( - \infty , 2 )\)
• B) increasing on \(( - 2 , \infty )\)
• decreasing on \(( - \infty , - 2 )\)
• C) increasing on \(( - \infty , - 2 )\)
• decreasing on \(( - 2 , \infty )\)
• D) increasing on \(( - \infty , 2 )\)
• decreasing on \(( 2 , \infty )\)

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Definitions:

Human Capital

The qualifications, know-how, and lived experiences of a person or society, assessed in terms of their profitability or cost to a business or country.

Compensating Differential

The additional amount of income that a worker requires to accept a job with undesirable features, compared to a similar job with more favorable features.

Cardiologist

A specialist doctor who diagnoses and treats conditions related to the heart and blood vessels.

Human Capital

Competencies, wisdom, and learning acquired by an individual or collective, evaluated for their financial or beneficial impact on an enterprise or sovereign state.