Question

Considere as funções f(x) = 5x + 12 e g(x) = 3x – 6. Calculando f(1) – g(1), obtem:

Answer 1

Resposta:

$f(1) = 5(1) + 12 \\ g(1) = 3(1) - 6 \\ f(1) = 17 \: \: \: - \: \: \: g(1) = - 3 = 17 - ( - 3) \\ f(1) - g(1) = 20$