Jika f(x) =2x²-8x dan g(x) = 2(3-x², maka 2g(x) - 3f(x) =
Matematika
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Pertanyaan
Jika f(x) =2x²-8x dan g(x) = 2(3-x², maka 2g(x) - 3f(x) =
1 Jawaban
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1. Jawaban MuhammmadRizky
2g(x) - 3f(x)
= 2 (2 (3 - x²) - 3 (2x² - 8x)
= 2 (6 - 2x²) - 3 (2x² - 8x)
= 12 - 4x² - 6x² + 24x
= -10x² + 24x + 12 |x-1|
= 10x² - 24x - 12 (D)
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