______________ / 2 \/ 8 + 2*x - x > 6 - 3*x
sqrt(-x^2 + 2*x + 8) > 6 - 3*x
And(x <= 4, 1 < x)
(x <= 4)∧(1 < x)
(1, 4]
x in Interval.Lopen(1, 4)