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[" 15.Let a function "f:R^(+)rarr R" is ...

[" 15.Let a function "f:R^(+)rarr R" is defined as "f(x)=log_(e)x" ,then find each of the following : "],[" (i) Range of "f" (ii) "{x:f(x)=-2}" (iii) Is "f(xy)=f(x)+f" (y) true? "]

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