Question

Dadas as funções f(x)=3x+1 e g(x)= √2x+1, o valor de g(f(1)) é:

a. 3
b. √3
c. 3√3+1
d. 4

Answer 1

$f(1)3 \times 1 + 1$
$f(1) = 4$
$g(4) = \sqrt{2 \times 4 + 1}$
$g(4) = \sqrt{9}$
$g(4) = 3$