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$x<0$ $x≠0$ $3$ 7. $f\left(x\right)= \begin{cases} x \\ x^{2} \\ x \end{cases} $ $0=x$ $2$ $8.$ $f\left(x\right)= \begin{cases} \dfrac {|x} {x} \\ 1 \end{cases} $ $x=0$ $x>2$ $x≠5$ $9$ $f\left(x\right)= \begin{cases} \dfrac {x^{2}-25} {x-5} \\ 10 \end{cases} $ $x=5$ $x≠1$ En $10$ $f\left(x\right)= \begin{cases} \dfrac {x-1} {\sqrt{x} -1} \\ \dfrac {1} {2} \end{cases} $ $x=1$ tal r $25$
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Profesor de Qanda - LordDiego
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