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已知函数f(x)=loga(x+b)的大致图象如图,其中a,b为常数,则函数g(...
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已知函数f(x)=log
a(x+b)的大致图象如图,其中a,b为常数,则函数g(x)=a
x+b的大致图象是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183708304774774/SYS201310241837083047747007_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183708304774774/SYS201310241837083047747007_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183708304774774/SYS201310241837083047747007_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183708304774774/SYS201310241837083047747007_ST/images4.png)
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一个算法的程序框图如图所示,该程序输出的结果为( )
A.
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B.
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C.
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D.
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在区间[-π,π]内随机取两个数分别记为a,b,则使得函数f(x)=x
2+2ax-b
2+π有零点的概率为( )
A.
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B.
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C.
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D.
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设F
1,F
2是双曲线
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的两个焦点,P是双曲线上的一点,且3|PF
1|=4|PF
2|,则△PF
1F
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A.
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B.
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C.24
D.48
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函数y=sinxcosx+
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,-
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D.(
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)
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如图是2010年青年歌手大奖赛中,七位评委为甲、乙两名选手打出的分数的茎叶图(其中m为数字0~9中的 一个),去掉一个最高分和一个最低分后,甲、乙两名选手得分的平均数分别为a
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