If \[f:R\to R\] and \[g:R\to R\] are given by \[f(x)=\left| x \right|\] and \[g(x)=[x]\] for each \[x\in R,\] then \[[x\in R:g(f(x))\le f(g(x))\}=\]

If \[f:R\to R\] and \[g:R\to R\] are given by \[f(x)=\left| x \right|\

1.	If \[f:R\to R\] and \[g:R\to R\] are given by \[f(x)=\left\| x \right\|\] and \[g(x)=[x]\] for each \[x\in R,\] then \[[x\in R:g(f(x))\le f(g(x))\}=\]
A.	\[Z\cup (-\infty ,0)\]
B.	\[(-\infty ,0)\]
C.	\[Z\]
D.	R
Answer» E.

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If \[f:R\to R\] and \[g:R\to R\] are given by \[f(x)=\left| x \right|\] and \[g(x)=[x]\] for each \[x\in R,\] then \[[x\in R:g(f(x))\le f(g(x))\}=\]

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