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已知[x]表示不超过实数x的最大整数,g(x)=[x]为取整函数,的零点,则g(...
已知[x]表示不超过实数x的最大整数,g(x)=[x]为取整函数,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581464124/SYS201311030959165814641005_ST/0.png)
的零点,则g(x
)等于( )
A.1
B.2
C.3
D.4
考点分析:
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已知:函数y=f(x-1)的图象关于直线x=1对称,当x>0时,f(x)=x
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若
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函数
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的定义域为( )
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},k∈Z}∪{x|x=2kπ+π,k∈Z}
D.
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且x≠2kπ+π,k∈Z}
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集合A={-1,0,1},B={y|y=cosx,x∈A},则A∩B=( )
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