Question

Sejam as funções f(x) = x² - 2x + 1 e g(x) = 2x + 1, Calcule :

a) g(f(1))

Answer 1

I- f(1)= x² - 2x + 1
   f(1)= 1²- 2.1 + 1
   f(1)= 1 - 2  + 1
   f(1) = 0

II- g(f(1))= 2x + 1
    g(f(1))= 2.0 + 1
    g(f(1))= 1