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设M=a+http://picflow.koolearn.com/upload/papers/g02/20110827/20110827160541218924.gif(2<a<3),N=log0.5(x2+http://picflow.koolearn.com/upload/papers/g02/20110827/20110827160541234901.gif)(x∈R),那么M、N的大小关系是

发布时间:2021-07-21

A.M>N

B.M=N

C.M<N

D.不能确定

试卷相关题目

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  • 2设a>b>c>0,则http://picflow.koolearn.com/upload/papers/g02/20110907/201109070952073501309.gif的最小值是

    A.2

    B.4

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  • 3已知椭圆http://picflow.koolearn.com/upload/papers/g02/20111027/201110271115347031017.gif(0<b<2)与y轴交于A,B两点,点F为该椭圆的一个焦点,则△ABF面积的最大值为

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  • 5设M是△ABC内一点,且http://picflow.koolearn.com/upload/papers/g02/20120313/201203131332541091035.gif,∠BAC=30°,定义f(M)=(m,n,p)=m+n+p,其中m、n、p分别是△MBC.△MC

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