Question

Dada as funções f(x) = 2x – 3 e g(x) = 4 – x, determine

Answer 1

f(g(x)) =2g -3 = 2(4-x) -3= 8-2x-3= -2x+5

g(f(x)) = 4 -f = 4 -(2x-3) = 4-2x+3= -2x-7