Question

ache a raiz das funçoes afim
f(x)=x²-16

Answer 1

Oi!

$f(x) = x^2 - 16$
$x^2 - 16 = 0$
$x^2 = 16$
$x= \pm \sqrt{16}$
$x= \pm 4$
$\boxed{x' = - 4}$
$\boxed{x" - 4}$


S = { - 4, 4}