Jika f(x) = x + 3 dan (g o f)(x) = 2x² + 4x – 3, maka (f o g)(1)= … 28/07/2022 by hadi wargamasyarakat Jawab: g o f(x) = (g.(x + 3)) 2x² + 4x – 3 = 2(x + 3)² – 8(x + 3) + 3 g(x) = 2x² – 8x + 3 f o g(x) = 2x² – 8x + 3 + 3 f o g(x) = 2(1)² – 8(1) + 6 = 0 Turunan Pertama dari y = cos²(2x - π)