Answer:
x = - 4
[tex]g(x) = 8 {x}^{2} + 4x[/tex]
g(- 4) =?
[tex]g( - 4) = 8( { - 4)}^{2} + 4( - 4) \\ g( - 4) = 8 \times 16 - 16 \\ g( - 4) = 128 - 16 \\ g( - 4) = 112[/tex]
=> g (- 4) = 112.
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