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Evaluate the function.f(x) = -3x^2 - 6Find f(-9)

Sagot :

Given the function

[tex]f(x)=-3x^2-6[/tex]

You have to find f(-9), to do so you have to replace the equation with x=-9 and calculate the value of f(x)

[tex]\begin{gathered} f(x)=-3x^2-6 \\ f(-9)=-3(-9)^2-6 \\ f(-9)=-3(81)-6 \\ f(-9)=237 \end{gathered}[/tex]

When x=-9, the function has a value of 237