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A Function
more input results in more output the function is most likely directly proportional
There need not be any relationship.
A function.
It is a injective relationship. However, it need not be surjective and so will not be bijective. It will, therefore, not define an invertible function.
function
A Function
The relationship is called a surjection or a surjective function.
~the function is most likely inversely proportional. ~more input results in less output.
more input results in more output the function is most likely directly proportional
The output.
A function is any relationship between inputs and outputs in which each input leads to exactly one output. It is possible for a function to have more than one input that yields the same output.
There need not be any relationship.
input distance- the distance the input force acts through
A function.
A function is a rule which assigns exactly one output f(x) to every input x.
It is a injective relationship. However, it need not be surjective and so will not be bijective. It will, therefore, not define an invertible function.