State Whether the Function Is a Polynomial Function or Not $f ( x ) = - 14 x ^ { 3 } + 9 x ^ { 2 } - 7$

question 78

Multiple Choice

State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.
- $f ( x ) = - 14 x ^ { 3 } + 9 x ^ { 2 } - 7$

• A) Yes; degree 6
• B) Yes; degree 5
• C) Yes; degree 3
• D) No; the last term has no variable

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Definitions:

Pitch

The perceived frequency of a sound, determining how high or low it sounds.

Auditory Canal

The tube that runs from the outer ear to the middle ear, transmitting sound waves to the eardrum.

Cochlea

A spiral-shaped cavity located within the inner ear, instrumental in converting sound vibrations into nerve impulses for auditory perception.

Middle Ear

The section of the ear located between the eardrum and the inner ear, containing three small bones that transmit sound vibrations.