F(x) = x² + 6x - 18 tentukan x jika f-¹ (x) = 2
Matematika
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Pertanyaan
F(x) = x² + 6x - 18 tentukan x jika f-¹ (x) = 2
1 Jawaban
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1. Jawaban Anonyme
jawab
fungsi
f(x) = x² +6x - 18
f⁻¹ (x) = 2 --> f(2)= x
x = f(2)
x= 2² + 6(2) - 18
x = 4 +12 - 18
x = -2