【题文】
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327003134-92676.jpg)
【题文】设函数f(x)=x
3+x,x∈R,若当0≤θ≤
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327003121-91300.gif)
时,f(msinθ)+f(1-m)>0恒成立,则实数
m的取值范围是 ( )
A.(0,1) | B.(-∞,0) | C.(-∞, ) | D.(-∞,1) |
【题文】设函数f(x)=x
3+x,x∈R,若当0≤θ≤
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327003100-55775.gif)
时,f(msinθ)+f(1-m)>0恒成立,则实数
m的取值范围是 ( )
A.(0,1) | B.(-∞,0) | C.(-∞, ) | D.(-∞,1) |
【题文】已知f(x)在R上是奇函数,图像关于直线x=1对称,当
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327002903-21757.png)
,
则f(7)= ( )
A.![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327002903-16413.png) | B.2 | C.![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327002903-31799.png) | D.98 |
【题文】已知f(x)在R上是奇函数,图像关于直线x=1对称,当
![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327002850-65223.png)
,
则f(7)= ( )
A.![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327002851-46062.png) | B.2 | C.![](http://img.shitiku.com.cn/uploads/allimg/20200327/20200327002851-71722.png) | D.98 |