Question

dada as funções f(x) = 2x- 1 e g(x) = x + 1, dê:
a)f(g(x))
b)g(f(x))

Answer 1

a) f(g(x))= 2.(x+1)-1 = 2x + 2 - = 2x +1
b) g(f(x))= 2x - 1 + 1 = 2x