Evaluate g(-4) when given the quadratic function () = 22 − 3.

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We have the function g(x):

We have to evaluate g(-4). We can do it by replacing x with -4 as argument:

$\begin{gathered} g(-4)=2(-4)^2-3 \\ g(-4)=2\cdot16-3 \\ g(-4)=32-3 \\ g(-4)=29 \end{gathered}$

Answer: g(-4) = 29

Jwheron answered Jul 5, 2023

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