Find the Domain of the Function $$f ( x ) = \ln \left( \frac { 1 } { x - 9 } \right)$$

question 439

Multiple Choice

Find the domain of the function.
- $$f ( x ) = \ln \left( \frac { 1 } { x - 9 } \right)$$

• A) \(x > 1\)
• B) \(x > 0\)
• C) \(x > - 9\)
• D) \(x > 9\)

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Definitions:

Brightness

A perceptual attribute of visual experience by which an area appears to emit more or less light.

Hue

A color or shade, particularly one that indicates the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow.

Iris

The colored part of the eye that controls the size of the pupil and thus the amount of light that enters the eye.

Pupil

The adjustable opening in the center of the eye through which light enters, its size regulated by the iris.