Respuesta :

felixkings

Answer:

[tex] \underline{ \boxed{f(3) = 41}}[/tex]

Step-by-step explanation:

[tex] if \to \: f(x)=x^3 + 2x^2-x-1 \\ then \: f(3) = {3}^{3} + 2( {3)}^{2} - 3 - 1 \\ f(3) = 27 + 18 - 4 \\ f(3) = 41[/tex]

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