Question

F(x) = 3x² + 9x – 16 Find f(-8)

Answer 1

Answer: 104

Step-by-step explanation:

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

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