diket f:R-R,g:R-R dgn f(x)=x^2=4,g(x)=x-2 maka (fog)(x)=
Matematika
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Pertanyaan
diket f:R-R,g:R-R dgn f(x)=x^2=4,g(x)=x-2 maka (fog)(x)=
2 Jawaban
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1. Jawaban dnnyz07
Fungsi Komposisi
f(x) = x² + 4
g(x) = x - 2
(fog)(x)
= f(g(x))
f(x - 2)
= (x - 2)² + 4
= x² - 4x + 4 + 4
= x² - 4x + 8 -
2. Jawaban ErikCatosLawijaya
Mapel : Matematika
Kelas : X SMA
Bab : Fungsi
Pembahasan :
Fog(x) = f(g(x))
Fog(x) = f(x - 2)
Fog(x) = (x - 2)² + 4
Fog(x) = x² - 4x + 4 + 4
Fog(x) = x² - 4x + 8