Diketahui f(x) = x² + 2x – 13 dan g(x) = 5x – 2. Jika g(n) = 18, nilai f(n) =……
G(n) = 5n-2 = 18
5n=20
n=4
f(n) = f(4) = 4² + 2×4 – 13 = 16 + 8 -13 = 11
Diketahui f(x) = x² + 2x – 13 dan g(x) = 5x – 2. Jika g(n) = 18, nilai f(n) =……
G(n) = 5n-2 = 18
5n=20
n=4
f(n) = f(4) = 4² + 2×4 – 13 = 16 + 8 -13 = 11