Question

seja as funções f(x)= x+1 e g(x)= 2x+1 calcule :
a) f(g(x))=
b) g(f(x))=​

Answer 1

Resposta:

a) f[g(x)] = g(x) + 1 = 2x + 1 + 1 = 2x + 2

b) g[f(x)] = 2.f(x) + 1 = 2.(x + 1) + 1 = 2x + 2 + 1 = 2x + 3