Determine Which of the Rational Functions Given Below Has the Following

question 245

Multiple Choice

Determine which of the rational functions given below has the following feature(s) .
-The x-axis is its horizontal asymptote

• A) \(f ( x ) = \frac { 5 x - 1 } { x + 9 }\)
• B) \(f ( x ) = \frac { 9 } { x - 5 }\)
• C) \(f ( x ) = \frac { x - 5 } { x }\)
• D) \(f ( x ) = \frac { x + 5 } { x + 9 }\)

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Definitions:

Internal Concentration

The concentration of substances within a cell or organism in contrast to the external environment, crucial for maintaining homeostasis.

Hydrogen

The lightest and most abundant element in the universe, consisting of just one proton and one electron, and used in a variety of chemical and energy processes.

Nitrogen

A chemical element with the symbol N and atomic number 7, essential for all living organisms as a constituent of proteins and nucleic acids.

Plagiocephaly

A condition characterized by an asymmetrical distortion (flattening of one side) of the skull, often seen in infants.