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Find the second derivative of the function.
Hz
Hertz, a unit of frequency defined as one cycle per second, used to measure the frequency of waves, including sounds and electromagnetic waves.
Spoken Language
The use of sounds and words for communication, a fundamental aspect of human interaction and culture.
Audition
The sense of hearing, or the process by which sound waves are transformed by the auditory system into neural signals the brain interprets as sound.
Vocalization
Vocalization refers to the production of sounds or utterances as a means of communication, common in both humans and animals.
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