Question

Dadas as funções f(x) = -x + 1/2 e g(x) = 2x - 4, calcule os valores de x para os quais g(x) < f(x).​

Answer 1

$g(x) < f(x)\\2x - 4 < -x + \frac{1}{2} \\2(2x-4) < 2(-x+ \frac{1}{2})\\4x - 8 < -2x + 1\\4x +2x < 1 + 8\\6x < 9\\x < \frac{3}{2}$