Răspunsuri

2014-05-26T11:52:27+03:00
A) f(x) = 0 => x = 7; 
g(x) = 0 => x = 1 / 3;
b) ( x - 7) / 2 >= 3x - 1 <=> x - 7 >= 6x - 2<=> -5 >= 5x <=> x >= -1 <=> x∈[ -1, +oo)

Bafta!