Write the Given Set in Interval Notation and Graph the Set

question 201

Multiple Choice

Write the given set in interval notation and graph the set on a number line.
- $$\{ x \mid x \leq - 9 \}$$

• A) \(( - \infty , - 9 ]\)
• B) \(( - \infty , - 9 )\)
• C) \([ - 9 , \infty )\)
• D) \(( - 9 , \infty )\)

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Definitions:

Odds Ratio

A measure of association between an exposure and an outcome, indicating the odds of an outcome occurring with the exposure compared to without.

Case-Control Studies

Observational studies that retrospectively investigate exposure factors among subjects with a specific condition compared to those without the condition.

Exposure

Contact with a substance or factor that could affect health.

Association

A statistical relationship between two or more variables, events, or actions, indicating that they may occur together or influence each other but not necessarily implying causation.