Give a Rule for the Piecewise-Defined Function $f ( x ) = \left\{ \begin{array} { l l } x - 3 & \text { if } x \neq 3 \\ - 2 & \text { if } x = 3 \end{array} ; \right.$

question 439

Multiple Choice

Give a rule for the piecewise-defined function. Then give the domain and range.
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• A) \(f ( x ) = \left\{ \begin{array} { l l } x - 3 & \text { if } x \neq 3 \\ - 2 & \text { if } x = 3 \end{array} ; \right.\) Domain: \(( \infty , \infty )\), Range: \(( \infty , 3 ] \cup [ 3 , \infty )\)
• B) \(f ( x ) = \left\{ \begin{array} { l l } 2 x - 3 & \text { if } x \neq 3 \\ - 3 & \text { if } x = 3 \end{array} ; \right.\) Domain: \(( \infty , 3 ] \cup [ 3 , \infty )\), Range: \(( \infty , \infty )\)
• C) \(f ( x ) = \left\{ \begin{array} { l } 2 x - 3 \text { if } x < 3 \\ 2 x + 3 \text { if } x \geq 3 \end{array} ; \right.\) Domain: \(( \infty , 3 ) \cup ( 3 , \infty )\), Range: \(( \infty , \infty )\)
• D) \(f ( x ) = \left\{ \begin{array} { l l } 2 x - 3 & \text { if } x \neq 3 \\ - 2 & \text { if } x = 3 \end{array} \right.\); Domain: \(( \infty , \infty )\), Range: \(( \infty , 3 ) \cup ( 3 , \infty )\)

Understand different research designs and their appropriate applications.

Recognize the indicators of access to health services.

Distinguish between efficacy, effectiveness, and efficiency in healthcare interventions.

Accurately define effectiveness and efficiency in the context of public health.

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Allowance Method

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Current Assets

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