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[" 85.Let "A={x in R|x>=0}." A function ...

[" 85.Let "A={x in R|x>=0}." A function "f:A rarr A" is defined by "],[f(x)=x^(2)" .Which one of the following is correct? "],[" (a) The function does not have inverse "],[" (b) "f" is its own inverse "],[" (c) The function has an inverse but fis not its own inverse "],[" (d) None of the above "]

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