Question

Указать область определения функции

Answer 1

$y=lg(3x^2-8x-3) \ \ ODZ:3x^2-8x-3 textgreater 0 \ \ D=64+36=100 \ \ x_{1} =(8+10)/6=3 \ \ x_{2} =(8-10)/6=-1/3 \ \ +++(-1/3)---(3)+++ \ \ xin(-oo;-1/3)U(3;+oo)$