Respuesta :

Let's begin by listing out the given information:

[tex]\begin{gathered} f\mleft(x\mright)=2x^2-4x \\ x=3 \\ f\mleft(3\mright)=2(3^2)-4(3) \\ f(3)=2(9)-4(3)=18-12 \\ \therefore f(3)=6 \end{gathered}[/tex]f(x) = 6 when x = 3

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