Jika f(x) = 4x^2 - 3x + 1 dan g(x) = sin x, maka nilai dari (f o g) (v/6) =.... note: v= 3,14 atau 22/7

Mapel : Matematika
Kelas : X SMA
Bab : Fungsi

Pembahasan :
fog(π/6) = fog(30°)
fog(π/6) = f(g(30°))
fog(π/6) = f(Sin 30°)
fog(π/6) = f(1/2)
fog(π/6) = 4(1/2)² - 3(1/2) + 1
fog(π/6) = 1 - 3/2 + 1
fog(π/6) = (2 - 3 + 2)/2
fog(π/6) = 1/2