1.

Let f(x)=sqrt(|x|-{x}) ( where {.} denote the fractional part of x and x, y are its domain and range, respectively). Then

Answer»

`X in (-oo, 1/2]` and `y in [1/2, oo)`
`x in (-oo, -1/2] UU [0, oo)` and `Y in [1/2 , oo)`
`X in (-oo, - 1/2] uu [0, oo)` and `Y in [0, oo)`
`x in (-oo, 1/2)` and `y in [(-1)/(2), oo)`

Answer :C


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