曲线y=x3+3x2+6x﹣10的切线中,斜率最小的切线方程是( )
3x﹣y﹣11=0
已知f(x)=3x-b(2≤x≤4,b为常数)的图象经过点(2,1),则F(x)=[f-1(x)]2-f-1(x2)的值域为 ______.
He has lots of friends but he still feels ____. [ ]
A .alone
B. lonely
C. along
D. long