Find the Domain and Range of the Function $$f ( x ) = 9 - x ^ { 2 }$$

question 142

Multiple Choice

Find the domain and range of the function.
- $$f ( x ) = 9 - x ^ { 2 }$$

• A) Domain: \(( - \infty , 9 ]\); Range: \([ - 9 , \infty )\)
• B) Domain: \(( - \infty , \infty )\); Range: \(( - \infty , - 9 ]\)
• C) Domain: \(( - \infty , \infty )\); Range: \([ 9 , \infty )\)
• D) Domain: \(( - \infty , \infty )\); Range: \(( - \infty , 9 ]\)

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Definitions:

RLC Series Circuit

An electrical circuit containing a resistor (R), inductor (L), and capacitor (C) arranged in a series configuration, showing distinctive oscillatory behavior.

RLC Series Circuit

A circuit comprising resistors (R), inductors (L), and capacitors (C) connected in a single path, affecting the impedance and frequency response.

Ratio

A mathematical relationship showing the relative sizes of two or more values, often expressed as a fraction or quotient.

Power Factor

The ratio of real power flowing to the load to the apparent power in the circuit, indicating the efficiency of the power usage.