满分5 >
高中数学试题 >
已知f(x)为R上的可导函数,且对∀x∈R,均有f(x)>f′(x),则有( )...
已知f(x)为R上的可导函数,且对∀x∈R,均有f(x)>f′(x),则有( )
A.e2013f(-2013)<f(0),f(2013)<e2013f(0)
B.e2013f(-2013)<f(0),f(2013)>e2013f(0)
C.e2013f(-2013)>f(0),f(2013)<e2013f(0)
D.e2013f(-2013)>f(0),f(2013)>e2013f(0)
考点分析:
相关试题推荐
已知函数f(x)满足:当x≥4时,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081010_ST/0.png)
,当时,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081010_ST/1.png)
,则f(-2009+log
23)=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081010_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081010_ST/3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081010_ST/4.png)
D.
查看答案
已知函数y=x
3-3x+c的图象与x轴恰有两个公共点,则c=( )
A.-2或2
B.-9或3
C.-1或1
D.-3或1
查看答案
△ABC中,AB边的高为CD,若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/0.png)
=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/1.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/2.png)
=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/3.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/4.png)
•
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/5.png)
=0,|
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/6.png)
|=1,|
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/7.png)
|=2,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/8.png)
=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/9.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/10.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081008_ST/11.png)
D.
查看答案
在△ABC中,内角A,B,C的对边分别是a,b,c,若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081007_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081007_ST/1.png)
,则A=( )
A.30°
B.60°
C.120°
D.150°
查看答案
函数f(x)=x
3+x,x∈R,当
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081006_ST/0.png)
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.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101017105808140/SYS201311031010171058081006_ST/1.png)
D.(-∞,1)
查看答案