Find the Domain of the Function $$g ( x ) = \frac { 2 x } { x ^ { 2 } - 81 }$$

question 27

Multiple Choice

Find the domain of the function.
- $$g ( x ) = \frac { 2 x } { x ^ { 2 } - 81 }$$

• A) all real numbers
• B) \(\{ x \mid x \neq 0 \}\)
• C) \(\{ x \mid x > 81 \}\)
• D) \(\{ x \mid x \neq - 9,9 \}\)

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Definitions:

DNA Sequence

The precise order of nucleotides within a DNA molecule, determining genetic instructions for the development and functioning of living organisms.

Gene

A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

RNA Nucleotides

The basic structural units of RNA, composed of a nitrogenous base, a ribose sugar, and a phosphate group.

Triphosphates

Organic compounds that contain three phosphate groups and are involved in energy transfer within cells, ATP being the most notable example.