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Given f(x)=4-(1/2-x)^(2/3),g(x)={("tan"[...

Given `f(x)=4-(1/2-x)^(2/3),g(x)={("tan"[x])/x ,x!=0` 1,x=0` ` , h(x)={x},` `k(x)=5^((log)_2(x+3)).` ` Then in [0,1], lagranges mean value theorem is not applicable to (a)`f` (b) `g` (c) `k` (d) `h` (where [.] and {.} represents the greatest integer functions and fractional part functions, respectively).`

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