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Pitch is affected by the length of the string.

Shorter strings produce higher-pitched sounds than longer strings.

The violin has shorter strings, so it will make a higher-pitched sound.

the first 2

Explanation:

it clearly says the length matters and the pitch has a role in how high or low the tune goes

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

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 .