Diketahui fungsi f : R – R dengan f(x) = 4×+3 dan fungsi g : R- R dengan g(x) = x-1 tentukan​

Jawaban:

F(x) = 4x + 3

G(x) = x – 1

(God)(x) = G (F(x))

= F(x) – 1

= (4x – 3) – 1

=4x – 2

(Fog)(x) = F (g(x))

=4(g(x)) + 3

=4(x – 1) + 3

= 4x – 4 +3

= 4x – 1