Write the domain and range of function `f(x)` given by `f(x)=sqrt([x]-x)`.

Explanation

`x=[x]+{x}`

`[x]-x` and `0<={x}<1`

`-{x}` and `0>=-{x}>1`

Domain of `f(x)` is every real number.

Range `f(x)=(0, 1)`