_______ _______ _______ \/ x - 1 + \/ x + 2 > \/ x + 7
sqrt(x - 1) + sqrt(x + 2) > sqrt(x + 7)
(2, oo)
x in Interval.open(2, oo)
And(2 < x, x < oo)
(2 < x)∧(x < oo)