Question

# Define an identity function and draw its graph also find its domain and range.

Solution

## The function $$f:M \to R; f(x)=x$$ for all $$\parallel x\in R$$ 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 $$f=R$$Mathematics

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