Dadas las funciones:
\[f(x)=x^{2}-3x+4, x \hspace{0.1cm}\epsilon\langle-3;-1\rangle\]
\[f(x)=\sqrt{x+1}+x, x \hspace{0.1cm}\epsilon[1;-4\rangle\]
g(x)=Sgn x
Hallar: (f-g)(x)
\[x^{2}-3x+5, x \hspace{0.1cm}\epsilon\langle-3;-1\rangle\]
\[\sqrt{x+1}+x-1, x \hspace{0.1cm}\epsilon[1;-4\rangle\]
\[x^{2}-3x+3, x \hspace{0.1cm}\epsilon\langle-3;-1\rangle\]
\[\sqrt{x+1}+x, x \hspace{0.1cm}\epsilon[1;-4\rangle\]
\[x^{2}-3x+4, x \hspace{0.1cm}\epsilon\langle-3;-1\rangle\]
\[x^{2}-3x+5, x \hspace{0.1cm}\epsilon\langle3;1\rangle\]
\[\sqrt{x+1}+x+1, x \hspace{0.1cm}\epsilon[1;-4\rangle\]
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