1.

Consider the function f(x) satisfying the identityf(x) + f((x-1)/( x))= 1+ x AA x in R - {0,1}, and g(x)=2f ( x)- x+1 The range of y = g(x) is

Answer»

`(-OO, 5]`
`[1, oo)`
`(-oo, 1] uu [5, oo)`
`[5]`

ANSWER :C


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