Question

What do u mean by Identity function?? ​

Answer 1

Answer:

In mathematics, an identity function, also called an identity relation or identity map or identity transformation, is a function that always returns the same value that was used as its argument. In equations, the function is given by f(x) = x.

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Answer 2

Answer

Identity Function

Identity FunctionIdentity Function is defined as the real valued function $f : R \rightarrow R$ , y = f(x) = x for each $x \in R$

Identity FunctionIdentity Function is defined as the real valued function $f : R \rightarrow R$ , y = f(x) = x for each $x \in R$So ,this function basically associate each real number to itself