F(x)=2x³-6x maka f(x+1)

Mapel : Matematika
Kelas : VII SMP
Bab : Fungsi

Pembahasan :
F(x) = 2x³ - 6x
F(x + 1) = 2(x + 1)³ - 6(x + 1)
F(x + 1) = 2(x³ + 3x² + 3x + 1) - 6x - 6
F(x + 1) = 2x³ + 6x² + 6x + 2 - 6x - 6
F(x + 1) = 2x³ + 6x² - 4