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Functions, Domain, and Range (Please Help)

Functions, Domain, and Range (Please Help)-example-1
User Ritesh Waghela
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a function is a relation between a set of inputs and a set of permissible outputs. Functions have the property that each input is related to exactly one output. For example, in the function f(x)=x2 f ( x ) = x 2 any input for x will give one output only.
User Danny Beckett
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