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Verified answer
Bab Fungsi KomposisiMatematika SMA Kelas X
(gof) (x) = g(f(x))
= g (x - 2)
= (x - 2)² + 3(x - 2) - 7
= x² - 4x + 4 + 3x - 6 - 7
= x² - x - 9