下图是泉州清源山麓的老子石像,他在春秋时期创立的学派是( )
A:儒家
B:道家
C:墨家
D:法家
Neither of the young men who had tried to get the job in the company _______.
①人身自由权 ②监督权 ③自主选择权 ④公平交易权
已知函数f(x)=x2﹣2mx+m2+4m﹣2.
(1)若函数f(x)在区间0,1上是单调递减函数,求实数m的取值范围;
(2)若函数f(x)在区间0,1上有最小值﹣3,求实数m的值.
若圆锥底面圆的周长为8π,侧面展开图的圆心角为90°,则该圆锥的母线长为____.