Simplify the Rational Expression $\frac { 9 x ^ { 2 } - 36 x } { 72 x ^ { 2 } }$

question 126

Multiple Choice

Simplify the rational expression. $\frac { 9 x ^ { 2 } - 36 x } { 72 x ^ { 2 } }$

• A) \(\frac { 9 x ^ { 2 } - 4 } { 8 x }\)
• B) \(\frac { x - 4 } { 8 x }\)
• C) \(\frac { x - 9 } { 8 }\)
• D) \(\frac { 1 - 4 x } { 8 x }\)
• E) \(\frac { 1 - 36 x } { 8 }\)

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Definitions:

Relative Luminance

A measure of the amount of light that is reflected from, or emitted by, a surface, normalized to a scale from 0 to 1, based on human visual sensitivity.

Size Constancy

Size constancy is a perceptual phenomenon where the perceived size of an object remains constant despite changes in the distance or size of the image it projects on the retina.

Perceptual Adaptation

Perceptual adaptation refers to the ability of the human brain to adjust to changes in sensory input, allowing for normal perception in spite of alterations or impairments.

Interposition

A visual cue in depth perception that occurs when one object partially blocks or covers another, indicating that the former is closer to the viewer.