When I _______, I found myself ________ a terrible place.
A:wake up; in
B:woke up; in
C:fell asleep; at
D:fall asleep; at
已知函数f(x)=1﹣a2x+1在R上是奇函数.
(1)求a;
(2)对x∈(0,1,不等式s•f(x)≥2x﹣1恒成立,求实数s的取值范围;
(3)令g(x)=1fx-1,若关于x的方程g(2x)﹣mg(x+1)=0有唯一实数解,求实数m的取值范围.