满分5 >
高中数学试题 >
设二元一次不等式组所表示的平面区域为M,使函数y=ax(a>0,a≠1)的图象过...
设二元一次不等式组
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408004_ST/0.png)
所表示的平面区域为M,使函数y=a
x(a>0,a≠1)的图象过区域M的a的取值范围是( )
A.[1,3]
B.[2,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408004_ST/1.png)
]
C.[2,9]
D.[
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408004_ST/2.png)
,9]
考点分析:
相关试题推荐
函数y=tanx+sinx-|tanx-sinx|在区间
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408003_ST/0.png)
内的图象是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408003_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408003_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408003_ST/images3.png)
D.
查看答案
函数f(x)=ax
3+bx
2-2x(a、b∈R且ab≠0)的图象如如图所示,且x
1+x
2<0,则有( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408002_ST/images0.png)
A.a>0,b>0
B.a<0,b<0
C.a<0,b>0
D.a>0,b<0
查看答案
已知函数y=log
2x的反函数是y=f
-1(x),则函数y=f
-1(1-x)的图象是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408001_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408001_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408001_ST/images2.png)
D.
查看答案
已知函数:①y=2
x;②y=log
2x;③y=x
-1;④
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408000_ST/0.png)
.则下列函数图象(在第一象限部分)从左到右依次与函数序号的正确对应顺序是(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136840855/SYS201311012218571368408000_ST/images1.png)
A.②①③④
B.②③①④
C.④①③②
D.④③①②
查看答案
已知函数y=f(x)=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136674353/SYS201311012218571366743021_ST/0.png)
(a>0,b>0,c∈R)是奇函数,当x>0时,f(x)有最小值2,其中b∈{N
*}且
f(1)<
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101221857136674353/SYS201311012218571366743021_ST/1.png)
,试求函数f(x)的解析式并指出函数f(x)的单调区间.
查看答案