_________ \/ 3*x - 2 >= x - 1
sqrt(3*x - 2) >= x - 1
/ ____\ | 5 \/ 13 | And|2/3 <= x, x <= - + ------| \ 2 2 /
(2/3 <= x)∧(x <= 5/2 + sqrt(13)/2)
____ 5 \/ 13 [2/3, - + ------] 2 2
x in Interval(2/3, sqrt(13)/2 + 5/2)