Question

Função modular

1)|X²-4x-1|=-3
2)|x²-7x+14|=2
3)|x²+6x|=0​

Answer 1

Resposta:

f(g(x)) = -9x² + 12x - 4 + 3x - 2 - 2

f(g(x)) = -9x² + 15x - 8

f(g(2)) = -9*4 + 15*2 - 8 = -36 + 30 - 8 = -14