Question

5) Dadas as funções compostas:
g(x) = x2 - 1
f(x) = x + 3
g(f(x)) =​

Answer 1

Resposta:

x=x2-1

x=2x-1

x-2x=-1

-x=-1

x=1

x=x+3

x=3x

x-3x=0

-2x=0

x=0