g(x) = 2x – 3.
Maka fungsi (f ₀ g)(x) adalah….
Jika diketahui fungsi f(x) = x2 + 2x + 2 dan
Jawaban Terkonfirmasi
Jawab
f(x) = x² + 2x + 2
g(x)= 2x – 3
(fog)(x) = f { g(x)}
= f {2x-3}
= (2x-3)² + 2(2x -3) + 2
= 4x² – 12x + 9 + 4x – 6 + 2
= 4x² – 8x + 5