Jika f(x) = 2x-1 dan (f ⁰ g)(x) = -14x + 21, nilai dari g(-3)
Matematika
Iqis27
Pertanyaan
Jika f(x) = 2x-1 dan (f ⁰ g)(x) = -14x + 21, nilai dari g(-3)
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Fungsi Komposisi
(fog) (x) = -14x + 21
2 . g(x) - 1 = -14x + 21
2 . g(x) = -14x + 21 + 1
g(x) = (-14x + 22)/2
g(x) = -7x + 11
g (-3) = -7 . (-3) + 11
g (-3) = 21 + 11
g (-3) = 32