Diket : gof(x):2x²+8x+15 G(x):2x-5 F(x):????

Semoga membantu::)))

gof(x) = 2x² + 8x + 15
g(x) = 2x - 5

maka f(x) = x² + 4x + 10
verifikasi:
2x - 5 = 2(x² + 4x + 10) - 5 = 2x² + 8x + 20 - 5 = 2x² + 8x + 15