f(x)= 2x-1 dan g(x)= x².tentukan rumus tiap fungsi: a. (f+g) (x) b. (f-g) (x) [tex]c. \: \frac{f}{g } (x)[/tex]

◾ Materi : Fungsi
◾ Sub materi : Operasi Fungsi
◾ Mapel : Matematika
◾ Keyword : Fungsi

Jawab :
f(x) = 2x - 1
g(x) = x²

a) (f+g)(x) = f(x) + g(x) = 2x - 1 + x² = x² + 2x - 1
b) (f-g)(x) = f(x) - g(x) = 2x - 1 - x² = -x² + 2x - 1
c) f/g (x) = f(x)/g(x) = 2x-1 / x²

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-vin