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# need help

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Let $$f(x) = \begin{cases} k(x) &\text{if }x>2, \\ 2+(x-2)^2&\text{if }x\leq2. \end{cases}$$Find the function k(x) such that f  is its own inverse.

mathtoo  Aug 30, 2018

#1
+93289
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Here is a graph.

Can you work it out from that ?

https://www.desmos.com/calculator/fpruev1hep

Melody  Aug 30, 2018
#1
+93289
+2

Here is a graph.

Can you work it out from that ?

https://www.desmos.com/calculator/fpruev1hep

Melody  Aug 30, 2018