What Determines the Loudness (Intensity)of a Sound

question 24

Multiple Choice

What determines the loudness (intensity) of a sound?

• A) Duration
• B) Frequency
• C) Amplitude
• D) Pitch

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Definitions:

Composition

The combining of two or more functions by applying one function to the result of another, indicated as \(f(g(x))\).

Horizontal Line Test

A method used to determine if a function has an inverse that is also a function, based on whether any horizontal line intersects the graph more than once.

Inverse Function

A function that reverses the operation of a given function, such that the composition of the two yields the original input.

Function

A framework involving a set of inputs and a roster of potential outputs, with the stipulation that each input is corresponded with only one output.