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新高考数学一轮复习函数重难点专题15函数比较大小(2份打包,原卷版+解析版)
展开1.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,其中 SKIPIF 1 < 0 为自然对数的底数,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
2.设 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
3.已知 SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
4.若 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则a,b,c的大小关系为( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
5.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 的大小关系为( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
6.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
7.已知幂函数 SKIPIF 1 < 0 的图象经过点 SKIPIF 1 < 0 与点 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
8.已知函数 SKIPIF 1 < 0 是定义在 SKIPIF 1 < 0 上的偶函数,对任意 SKIPIF 1 < 0 , SKIPIF 1 < 0 ,都有 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
9.已知定义在R上的偶函数 SKIPIF 1 < 0 满足 SKIPIF 1 < 0 ,且当 SKIPIF 1 < 0 时, SKIPIF 1 < 0 ,则下面结论正确的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
10.已知定义在R上的函数 SKIPIF 1 < 0 的图象关于点(1,0)对称,且函数 SKIPIF 1 < 0 在 SKIPIF 1 < 0 上单调递增, SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 的大小关系为( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
11.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 则a,b,c的大小关系是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
12.已知 SKIPIF 1 < 0 ,则下列说法正确的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
13.(多选)已知 SKIPIF 1 < 0 ,且 SKIPIF 1 < 0 ,则下列关系式中可能成立的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
14.(多选)若 SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
15.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 的大小关系为___________.
16.若 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 的从大到小顺序为______________.
17.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则a,b,c的大小关系为____.(用“ SKIPIF 1 < 0 ” 连接)
18. SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 的大小关系是________.
19.已知 SKIPIF 1 < 0 ,且 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 从大到小为__________.
20.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 ,设 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则a,b,c的大小关系是______.(用“<”连接)
21.已知 SKIPIF 1 < 0 分别满足下列关系: SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 的大小关系(从小写到大)_______.
22.设均为正数,且,,.则的大小关系为______________.
23.比较下列各组数中两个数的大小:
(1) SKIPIF 1 < 0 与 SKIPIF 1 < 0 ;(2) SKIPIF 1 < 0 与 SKIPIF 1 < 0 ;(3) SKIPIF 1 < 0 与 SKIPIF 1 < 0 .
24.比较下列几组值的大小:
(1) SKIPIF 1 < 0 和 SKIPIF 1 < 0 ;(2) SKIPIF 1 < 0 和 SKIPIF 1 < 0 ;(3) SKIPIF 1 < 0 和 SKIPIF 1 < 0 ;(4) SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 .
25.已知正实数x,y,z满足 SKIPIF 1 < 0 .
(1)求证: SKIPIF 1 < 0 ;
(2)比较 SKIPIF 1 < 0 的大小.
专项突破二 构造函数比较大小
1.已知 SKIPIF 1 < 0 是定义在 SKIPIF 1 < 0 上的函数 SKIPIF 1 < 0 的导函数,且满足 SKIPIF 1 < 0 对任意的 SKIPIF 1 < 0 都成立,则下列选项中一定正确的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
2.若 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ( SKIPIF 1 < 0 为自然对数的底数),则实数 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 的大小关系为( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
3.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则以下不等式正确的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
4.设 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 的大小顺序为( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
5.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 的大小关系为( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
6.已知实数a,b满足 SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则下列判断正确的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
7.设 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
8.设 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 的大小关系是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
9.已知 SKIPIF 1 < 0 ,且 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,其中 SKIPIF 1 < 0 是自然对数的底数,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
10.设 SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
11.已知定义在R上的偶函数 SKIPIF 1 < 0 满足 SKIPIF 1 < 0 ,且当 SKIPIF 1 < 0 时, SKIPIF 1 < 0 ,则下面结论正确的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
12.设 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
13.已知 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
14.(多选) SKIPIF 1 < 0 是定义在非零实数集上的函数, SKIPIF 1 < 0 为其导函数,且 SKIPIF 1 < 0 时, SKIPIF 1 < 0 ,记 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则错误的有( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
15.(多选)若正实数 SKIPIF 1 < 0 满足 SKIPIF 1 < 0 ,则下列结论正确的有( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0 C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
16.(多选)已知定义在 SKIPIF 1 < 0 上的函数 SKIPIF 1 < 0 的导函数为 SKIPIF 1 < 0 ,且 SKIPIF 1 < 0 , SKIPIF 1 < 0 SKIPIF 1 < 0 ,则下列选项中正确的是( )
A. SKIPIF 1 < 0 B. SKIPIF 1 < 0
C. SKIPIF 1 < 0 D. SKIPIF 1 < 0
17.若 SKIPIF 1 < 0 ,则a,b,c的大小关系为____________.
18.已知 SKIPIF 1 < 0 是定义在 SKIPIF 1 < 0 上的奇函数,对任意两个不相等的正数 SKIPIF 1 < 0 , SKIPIF 1 < 0 ,都有 SKIPIF 1 < 0 ,记 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 ,则 SKIPIF 1 < 0 , SKIPIF 1 < 0 , SKIPIF 1 < 0 的大小关系__________.
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