Diketahui f(x) = x² + 2x - 13 dan g(x) = 5x - 2. Jika g(n) = 18, nilai f(n) =……
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Pertanyaan
Diketahui f(x) = x² + 2x - 13 dan g(x) = 5x - 2. Jika g(n) = 18, nilai f(n) =……
1 Jawaban
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1. Jawaban Nadia02
g(n) = 5n-2 = 18
5n=20
n=4
f(n) = f(4) = 4² + 2x4 - 13 = 16 + 8 -13 = 11