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Find the domain of definition of each of...

Find the domain of definition of each of the following functions :
`phi(x)=sqrt(x-[x])`

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The correct Answer is:
`RR` (set of real numbers)
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CHHAYA PUBLICATION-RELATION AND MAPPING -Long Answer Type Questions
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  13. Sketch the graph of f(x)=(|x|)/(x), f(0)=1. From the graph examine the...

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