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Answer :

Notice that for the function:

for x lesser than 2, f(x)=x^2+4 and for x greater or equal to 2 f(x)=-x+4.

[tex]f(x)=\begin{cases}x^2+4\text{ for x<2} \\ -x+4\text{ for x}\ge2\end{cases}[/tex]

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