f(x) = 2x - 4
g(x) = x kuadrat + 2x - 4

tentukan (f0g)(3) ?
mohon bantuanya

Pertanyaan

Grade: Education Mata Pelajaran: matematika
f(x) = 2x - 4
g(x) = x kuadrat + 2x - 4

tentukan (f0g)(3) ?
mohon bantuanya
Ditanyakan oleh:
101 Dilihat 101 Jawaban

Jawaban (101)

Jawaban Terbaik
(323)
(fog)(x) = f(g(x))
= x kuadrat + 2x - 4
= 2x - 4
= 2 ( x kuadrat + 2x - 4) - 4
= 2xkuadrat + 4x - 8 - 4
= 2xkuadrat + 4x - 12
(fog)(3) = 2(3)² + 4(3) - 12
= 18 + 12 - 12
= 18