_________ 2*(x + 1) \/ 2*x + 1 < --------- - x 2
sqrt(2*x + 1) < -x + (2*(x + 1))/2
[-1/2, 0)
x in Interval.Ropen(-1/2, 0)
And(-1/2 <= x, x < 0)
(-1/2 <= x)∧(x < 0)