Question

dada a funçao f(x)= x quadrado2 - 2x + 1 e g (x) = 2x + 1 , g(f(2)) vale:

Answer 1

$f(x)=x^{2}-2x+1$
$f(2)=2^{2}-2*2+1$
$f(2)=4-4+1$
$f(2)=1$

$g(f(2)) = g(1)$

$g(x)=2x+1$
$g(1) = 2*1 + 1$
$g(1)=2+1$
$g(1)=3$

$\boxed{\boxed{g(f(2))=3}}$