Question

define identity function.draw the graph of identity function.write it's domain and range​

Answer 1

The function f:M→R;f(x)=x for all ∥x∈R is called an identity function on R.

x −2 −1 0 1 2

f(x) −2 −1 0 1 2

Domain of f=R

Range of f=R

Answer 2

The function f:M→R;f(x)=x for all ∥x∈R is called an identity function on R.

The function f:M→R;f(x)=x for all ∥x∈R is called an identity function on R.x −2 −1 0 1 2

The function f:M→R;f(x)=x for all ∥x∈R is called an identity function on R.x −2 −1 0 1 2 f(x) −2 −1 0 1 2

The function f:M→R;f(x)=x for all ∥x∈R is called an identity function on R.x −2 −1 0 1 2 f(x) −2 −1 0 1 2Domain of f=R

The function f:M→R;f(x)=x for all ∥x∈R is called an identity function on R.x −2 −1 0 1 2 f(x) −2 −1 0 1 2Domain of f=RRange of f=R

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