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If f(x)=sqrt(1-x) and g(x)=(log)e x are ...

If `f(x)=sqrt(1-x)` and `g(x)=(log)_e x` are two real functions, then describe functions `fog` and `gof` .

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`f(x)=sqrt1-x`
For domain, `1-x geq 0`
`Rightarrow x leq 1 `
` Rightarrow ` Domain of ` f=(-infty, 1] `
` Rightarrow f:(infty, 1] to (0, infty) `
` g(x)=log _e x`
...
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