Find the Domain of the Function $$f ( x ) = x ^ { 2 } + 2$$

question 214

Multiple Choice

Find the domain of the function.
- $$f ( x ) = x ^ { 2 } + 2$$

• A) \(\{ x \mid x > - 2 \}\)
• B) \(\{ x \mid x z - 2 \}\)
• C) all real numbers
• D) \(\{ x \mid x \geq - 2 \}\)

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Definitions:

Confidence Interval

A gamut of values, taken from sample statistics, considered likely to include the value of a hidden population attribute.

Population Proportion

The fraction or percentage of members in a population that have a particular attribute.

Sample Size

The number of individual observations or units included in a sample from a population, affecting the precision of the study's estimates.

Alternative Hypothesis

A statement that contradicts the null hypothesis and asserts that there is a statistically significant difference between groups or variables.