Determine the interval for xxx such that x+3>x−3\sqrt{x+3} > x-3x+3>x−3.
[−3,6)[-3, 6)[−3,6)
[3,∞)[3, \infty)[3,∞)
[−3,1)[-3, 1)[−3,1)
(−3,6)(-3, 6)(−3,6)