If \[f(x)=\frac{x-3}{x+1}\], then \[f[f\{f(x)\}]\] equals [RPET 1996]

1.	If \[f(x)=\frac{x-3}{x+1}\], then \[f[f\{f(x)\}]\] equals [RPET 1996]
A.	x
B.	?x
C.	\[\frac{x}{2}\]
D.	\[-\frac{1}{x}\]
Answer» B. ?x

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If \[f(x)=\frac{x-3}{x+1}\], then \[f[f\{f(x)\}]\] equals [RPET 1996]

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