Find $( 3 x - 7 ) ^ { 3 }$

question 101

Multiple Choice

Find $( 3 x - 7 ) ^ { 3 }$ . Don t forget that $( 3 x - 7 ) ^ { 3 }$ means (3 x $-$ 7) (3 x $-$ 7) (3 x $-$ 7) .

• A) \(27 x ^ { 3 } - 189 x ^ { 2 } + 147 x - 343\)
• B) \(27 x ^ { 3 } - 189 x ^ { 2 } + 441 x - 343\)
• C) \(27 x ^ { 3 } - 63 x ^ { 2 } + 441 x - 343\)
• D) \(27 x ^ { 3 } - 63 x ^ { 2 } + 441 x + 343\)
• E) none of these

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Definitions:

Trichromatic Analysis

A theory of color vision based on the idea that the eye contains three types of color receptors, sensitive to red, green, and blue light.

Primary Colors

A set of colors from which all other colors can be obtained through mixing; in the context of additive color mixing – red, green, and blue; for subtractive mixing – cyan, magenta, and yellow.

Brightness Contrast

Brightness contrast involves the perception of an object's brightness being affected by the brightness of its surroundings, making it appear lighter or darker.

Lateral Inhibition

A neural mechanism that increases contrast and sharpness in visual and auditory pathways by inhibiting neighboring neurons' activity.