1 . 已知
为不相等的正实数,则下列命题为真的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2 . 已知函数
在
上可导,其导函数为
,若
满足
则下列判断一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1efa1cb2e589cdc7dacd54894960d760.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 能推断出函数
在
上为增函数的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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解题方法
4 . 已知定义在
上的函数
,
,若
,则一定有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831152c4fb2f7a06deff652828075108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10-11高二下·浙江温州·期末
解题方法
5 . 定义在
上的偶函数
满足![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/20472c97c4ce4e929eff85bfa3263764.png)
,且在
上单调递增,设
,
,
,则
大小关系是
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/ea96fdead03042bfb2d2dfebbd00fd03.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/5106f72fcbaf4aae8862186b6893b073.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/20472c97c4ce4e929eff85bfa3263764.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/50a4bcb8d9c8470b8a842b91a2645c9a.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/1d352d62ebb14054a307069a26ae9f34.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/39d28e1237ee477dae0af70ca11e72b1.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/9d23614c4ce3495fb0f02fbae4751ce9.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/8d67c2105cd64e04a44ac4bf874358c1.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572425401917440/1572425407528960/STEM/d2a451d1f4a64ca0a145b32babc49289.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
您最近一年使用:0次
13-14高二下·浙江温州·期中
解题方法
6 . 设
为定义域在R上的偶函数,且
在
的大小顺序为
![](https://img.xkw.com/dksih/QBM/2014/6/12/1571767913185280/1571767918559232/STEM/f248f7e970f84ce1bf78af4382b4af88.png)
![](https://img.xkw.com/dksih/QBM/2014/6/12/1571767913185280/1571767918559232/STEM/f248f7e970f84ce1bf78af4382b4af88.png)
![](https://img.xkw.com/dksih/QBM/2014/6/12/1571767913185280/1571767918559232/STEM/2e00fffb562a4412af42ec2e060624bf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次