Let `f : R to R : f (x) =(3-x^(3))^(1//3).`Find f o fA. `x^(1/3)`B. `x – InterviewSolution

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1.	Let `f : R to R : f (x) =(3-x^(3))^(1//3).`Find f o fA. `x^(1/3)`B. `x`C. `(1-x^(1/3))D. none of these
Answer» Correct Answer - B `(f o f) (x)= f{f(x)} ={(3-x^(3))^(1/3)} =f(y) " where " y=(3-x^(3))^(1/3)` `=(3-y^(3))^(1/3) =[3-{3-x^(3)}]^(1/3) = (x^(3))^(1/3) =x`

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