In the UK, a lady usually doesn't like to be asked ___.
A:whether has she got married
B:how old is she
C:where she comes from
D:how much she weighs
(Ⅰ)求f(x)的值域;
(Ⅱ)若不等式|f(x)﹣m|<2在x∈ π4 , π2 上恒成立,求实数m的取值范围.
阅读课文《黔之驴》,完成各题。
△DEF(三角形)是由△ABC平移得到的,点A(-1,-4)的对应点为D(1,-1),则点B(1,1)的对应点E,点C(-1,4)的对应点F的坐标分别为( )