F(x)=3x²+4x-6 find f(-2)

Tinkaal Gogoi asked Dec 10, 2023

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Tinkaal Gogoi asked Dec 10, 2023

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10 votes

To find the value of f(-2) we have to plug x=-2 in the expression for f, then:

$\begin{gathered} f(-2)=3(-2)^2+4(-2)-6 \\ =3\cdot4-8-6 \\ =12-8-6 \\ =-2 \end{gathered}$

Therefore, f(-2)=-2

Akihito KIRISAKI answered Dec 14, 2023

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