满分5 >
高中数学试题 >
若函数f(x)唯一的一个零点同时在区间(0,16),(0,8),(0,4),(0...
若函数f(x)唯一的一个零点同时在区间(0,16),(0,8),(0,4),(0,2)内,那么下列命题中正确的是( )
A.函数f(x)在区间(0,1)内没有零点
B.函数f(x)在区间(0,1)或(1,2)内有零点
C.函数f(x)在区间(1,16)内有零点
D.函数f(x)在区间(2,16)内没有零点
考点分析:
相关试题推荐
为了得到函数y=sin 2x的图象,可将函数y=sin(2x
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801004_ST/0.png)
)的图象( )
A.向左平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801004_ST/1.png)
个长度单位
B.向左平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801004_ST/2.png)
个长度单位
C.向右平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801004_ST/3.png)
个长度单位
D.向右平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801004_ST/4.png)
个长度单位
查看答案
函数f(x)=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801003_ST/0.png)
与g(x)=2
-x+1在同一坐标系下的图象是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801003_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801003_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801003_ST/images3.png)
D.
查看答案
命题“∃x
o∈N,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801002_ST/0.png)
∈N”的否定是( )
A.∃x
o∉N,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801002_ST/1.png)
∈N
B.∃x
o∈N,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801002_ST/2.png)
∉N
C.∀x
o∈N,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801002_ST/3.png)
∈N
D.∀x
o∈N,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801002_ST/4.png)
∉N
查看答案
log
2100+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801001_ST/0.png)
的值是( )
A.0
B.1
C.2
D.3
查看答案
复数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124057364280180/SYS201310251240573642801000_ST/0.png)
+i
3的值是( )
A.2+2i
B.-2-2i
C.i-2
D.2-i
查看答案