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[" 9.Let "f:{1,2,3,4,5}rarr{1,2,3,4,5}" ...

[" 9.Let "f:{1,2,3,4,5}rarr{1,2,3,4,5}" is such that "f(x)" is a one-one function function "],[f(x)=x+1" if and only if "x" is even (i.e."f(3)!=4,f(4)=5" etc).Then "f^(-1)(2)" can be "-],[" If "f(x)=ax+b" and "f(f(f(x)))=27]

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