Respuesta :

[tex]f(x)=\frac{8-x}{x^2-2}[/tex]

we replace x=-2

so

[tex]\begin{gathered} f(-2)=\frac{8-(-2)}{(-2)^2-2} \\ \end{gathered}[/tex]

now solve

[tex]\begin{gathered} \frac{8+2}{4-2} \\ \\ \frac{10}{2}=5 \end{gathered}[/tex]

the solution is 5

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