Respuesta :

Answer:

[tex]{ \tt{f(x) = 6 - 2x}}[/tex]

  • when f(x) is -8, the whole function equated to -8.

[tex]{ \tt{6 - 2x = - 8}} \\ \\ { \tt{2x = 6 + 8}} \\ \\ { \tt{2x = 14}} \\ \\ { \tt{x = \frac{14}{2} }} \\ \\ { \underline{ \tt{ \: \: x = 7 \: \: }}}[/tex]

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