Question

dadas as funções f(x)=x+1 e g(x)=x2-3 calcule f(g(1))

Answer 1

f(x) = x+1
g(x) = 2x-3

Veja:

f(g(x)) = 2x-3+1
f(g(x)) = 2x-2

Então:
f(g(1)) = 2.1 - 2
f(g(1)) = 2 - 2
f(g(1)) = 0