Define loudness and intensity of sound. How are the two concepts related?
What is the unit of intensity of sound?
At what decibel level do sounds start to become harmful to the ears and hearing?Relate amplitude and distance to the intensity and loudness of sound

the entire statement is true and correct.  

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we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .

i already answered it by 34/s