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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 $$f=R$$

1955164_1862326_ans_25086fe496c74176aaed61b989ceff0c.png

Mathematics

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