Question

se f(x) =2x2 -3 e g(x) =x+1, o valor de g [f(2)] e
3
4
5
6
7

Answer 1

$f(x) =2 x^{2} -3$

$g(x) =x+1$

$g [f(2)]$ = ?

$f(2) =2. (2)^{2} -3=2.4-3=8-3=5$

$g [f(2)]=g [5]=5+1=6$