Respuesta :

[tex]\boxed {\boxed { \text {(f + g)(x) = f(x) + g(x)}}}[/tex]

[tex]f(x) = 2x - 5[/tex]

[tex]g(x) = x^2-4x -8[/tex]

[tex](f + g)(x) = 2x - 5 + x^2-4x -8[/tex]

[tex](f + g)(x) = x^2 - 2x - 13[/tex]

[tex]\boxed {\boxed { \text {Answer : }x^2 - 2x - 13}}[/tex]

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