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Materi : Fungsi KomposisiKelas : X SMA
Kategori : Matematika Wajib
Tingkat Kesulitan : Mudah
Pembahasan :
fog(x) = 4x² + 20x + 23
f(g(x)) = 4x² + 20x + 23
f(2x + 5) = 4x² + 20x + 23
f(2x + 5) = (2x + 5)² - 2
f(x) = x² - 2