_________ \/ 5*x - 1 < x + 1
sqrt(5*x - 1) < x + 1
Or(And(1/5 <= x, x < 1), And(2 < x, x < oo))
((1/5 <= x)∧(x < 1))∨((2 < x)∧(x < oo))
[1/5, 1) U (2, oo)
x in Union(Interval.Ropen(1/5, 1), Interval.open(2, oo))