[单选题]A.B.C.D.
[单选题]A.1B.2C.4D.1/4
[单选题]A.间断点B.连续而不可导的点C.可导的点,且f′(0)=0,D.可导的点,且f′(0)≠0
[单选题]A.对任意x,f′(x)>0B.对任意x,f′(x)≤0C.f(-x)单调增加D.-f(-x)单调增加