dik: f(x)= 5x2 + 2x + 1 g(x)= 3x + 7 dit : (F × g) (x) =
Matematika
siskanovitasari1
Pertanyaan
dik: f(x)= 5x2 + 2x + 1
g(x)= 3x + 7
dit : (F × g) (x) =
g(x)= 3x + 7
dit : (F × g) (x) =
2 Jawaban
-
1. Jawaban Aremon
(f o g)(x) = f(g(x)) = f(3x+7)
= 5(3x+7)^2 + 2(3x+7) +1
= 45x^2 +216x +260 -
2. Jawaban MathSolver74
(f o g)(x) = f(3x + 7)
= 5(3x + 7)² + 2(3x + 7) + 1
= 5(9x² + 42x + 49) + 6x + 15
= 45x² + 216x + 260