Respuesta :

[tex] \green {\boxed{Answer}}[/tex]

[tex]f(x) = 9x - 10[/tex]

[tex]f(3) = 9 \: . \: 3 - 10[/tex]

[tex]f(3) = 27 - 10[/tex]

[tex]f( 3) = 17[/tex]

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