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Let\(f(x) = \begin{cases} k(x) &\text{if }x>0, \\ -\frac1{2x}&\text{if }x< 0\\ 0&\text{if }x=0. \end{cases} \)Find the function k(x) such that f(x) is its own inverse function.

 Apr 15, 2020
 #2
avatar+109524 
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I answered this just yesterday.

 Apr 15, 2020

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