GabinO372317
GabinO372317
30-10-2022
Mathematics
contestada
f(x)=3x²+4x-6 find f(-2)
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JaiceeM518409
JaiceeM518409
30-10-2022
To find the value of f(-2) we have to plug x=-2 in the expression for f, then:
[tex]\begin{gathered} f(-2)=3(-2)^2+4(-2)-6 \\ =3\cdot4-8-6 \\ =12-8-6 \\ =-2 \end{gathered}[/tex]
Therefore, f(-2)=-2
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