Solve the Problem $y = 2 ^ { - x }$

question 101

Multiple Choice

Solve the problem.
-Use the graph of $y = 2 ^ { - x }$ to graph the function . Write the domain and range in interval notation $f ( x ) = 2 ^ { - x }$

• A) Domain: \(( - \infty , \infty ) \quad\) Range: \(( 0 , \infty ) \quad\)
• B) Domain: \(( - \infty , \infty )\) Range: \(( - \infty , 0 )\)
• C) Domain: \(( - \infty , \infty )\) Range: \(( - \infty , 0 )\)
• D) Domain: \(( - \infty , \infty )\) Range: \(( 0 , \infty )\)

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Definitions:

Acute Respiratory Disease

A sudden onset of respiratory illness, such as pneumonia or acute bronchitis, characterized by symptoms like coughing and shortness of breath.

IC

Integrated Circuit, a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon.

Chronic Obstructive Pulmonary Disease

A group of lung diseases, including emphysema and chronic bronchitis, that block airflow and make breathing difficult.

Oxygen

A chemical element critical for respiration and energy production in living organisms, symbol O.