满分5 >
高中数学试题 >
已知f(x)为奇函数,g(x)=f(x)+9,g(-2)=3,则f(2)= .
已知f(x)为奇函数,g(x)=f(x)+9,g(-2)=3,则f(2)= .
考点分析:
相关试题推荐
已知在△ABC中,∠ACB=90°,BC=3,AC=4.P是AB上的点,则点P到AC,BC的距离的积的最大值是( )
A.2
B.3
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155010_ST/0.png)
D.
查看答案
直线y=kx+3与圆(x-3)
2+(y-2)
2=4相交于M,N两点,若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155009_ST/0.png)
,则k的取值范围是( )
A.[-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155009_ST/1.png)
,0]
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155009_ST/2.png)
C.[-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155009_ST/3.png)
]
D.[-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155009_ST/4.png)
,0]
查看答案
在区间[-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155008_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155008_ST/1.png)
]上随机取一个数x,cos x的值介于0到之
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155008_ST/2.png)
之间的概率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155008_ST/3.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155008_ST/4.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155008_ST/5.png)
D.
查看答案
已知函数 f(x)=a
x+x-b的零点x
b∈(n,n+1)(n∈Z),其中常数a,b满足2
a=3,3
b=2,则n的值是( )
A.-2
B.-1
C.0
D.1
查看答案
设函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155006_ST/0.png)
,则下列结论正确的是( )
①f(x)的图象关于直线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155006_ST/1.png)
对称
②f(x)的图象关于点
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155006_ST/2.png)
对称
③f(x)的图象向左平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155006_ST/3.png)
个单位,得到一个偶函数的图象
④f(x)的最小正周期为π,且在
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231405922515571/SYS201311012314059225155006_ST/4.png)
上为增函数.
A.③
B.①③
C.②④
D.①③④
查看答案