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Question

Mathematics Question on composite of functions

If the function of f(x) = 1x+2\frac{1}{x+2}, then the point of discontinuity of the composite function y = f(f(x)) is

A

25\frac{2}{5}

B

52\frac{-5}{2}

C

12\frac{1}{2}

D

52\frac{5}{2}

Answer

52\frac{-5}{2}

Explanation

Solution

The correct answer is (B) : 52\frac{-5}{2}.