F(x) = 3x² + 9x – 16 Find f(-8)

Ffonz asked Mar 23, 2023

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23 votes

F(x) = 3x² + 9x – 16
Find f(-8)

Ffonz asked Mar 23, 2023

by Ffonz

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30 votes

Answer: 104

Explanation:

f(-8) represents
f(x) evaluated at
x=-8 .

$f(-8)=3(-8)^2 +9(-8)-16\\\\=192-72-16\\\\=120-16\\\\=104$

Fabian Bettag answered Mar 29, 2023

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