Question

РЕШИТЕ НЕРАВЕНСТВО СРОЧНО
logосн0.5*(1-3x)/3*2^4x+1>=0

Answer 1

log(0,5)(1-3x)/(3*2^4x+1)≥0
(3*2^4x+1)>0 при любом х⇒log(0,5)(1-3x)≥0
{1-3x>0⇒x<1/3
{1-3x≤1⇒x≥0
x∈[0;1/3)