Solve for xxx: 4−x2>x+1\sqrt{4-x^2} > x+14−x2>x+1.
[−2,(−1+7)/2)[-2, (-1+\sqrt{7})/2)[−2,(−1+7)/2)
(−1,2)(-1, 2)(−1,2)
[−2,1)[-2, 1)[−2,1)
(−1,2)(-1, \sqrt{2})(−1,2)