1.

Consider alpha gt 1 and f:[1/alpha,alpha] rarr [1/alpha,alpha] be bijective function. Suppose that f^(-1)(x)=1/f(x), " for all " in [1/alpha,alpha]. Which of the following statements can be concluded about f(f(x))?

Answer»

F(f(X)) is DISCONTINUOUS in `[1/ALPHA, alpha]`
f(f(x)) is increasing in `[1/alpha, alpha]`
f(f(x)) is decreasing in `[1/alpha, alpha]`
NONE of the above

Answer :b


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