1.

F(x)=x-3 and g(x)=4x²-3x-9 fine (Gof)(x)

Answer»

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x - 3 = 0 \\ x = 3 \\  \\ 4 {x}^{2} - 3x - 9 \\  \\ 4  {(3)}^{2}    - 3(3) - 9 \\  \\ 4(9) - 9 - 9 \\ 36 - 18 \\ 18



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