已知定义在
上的图象连续的函数
的导数是
,
,当
时,
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15bccf9756ec716bd5c04e2641b6441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee503d1ecd0415d57e3116719eaa391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8a5c16045a20437e79c3417ddb39af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a4f04eb00d421ecb366676787ba0ce.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2021·全国·模拟预测 查看更多[3]
(已下线)2021年高考最后一卷理科数学(第五模拟)(已下线)2021年浙江省高考最后一卷数学(第七模拟)(已下线)考点03函数及其性质-3-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)
更新时间:2021-05-22 10:02:15
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名校
【推荐1】定义在
上的奇函数
满足
,且在
上单调递减,若方程
在
上有实数根,则方程
在区间
上所有实根之和是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb7af9e416682c9be1ff154ec3fbfdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2fc9e0dce53875ba108a4a041fcbf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8b002680c476b8323c4b67e8bc999e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2fc9e0dce53875ba108a4a041fcbf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc52b5cd02fb08b98a624e1fd93785f.png)
A.30 | B.14 | C.12 | D.6 |
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【推荐2】已知函数f(x)在(﹣1,+∞)上单调,且函数y=f(x﹣2)的图象关于x=1对称,若数列{an}是公差不为0的等差数列,且
,则{an}的前100项的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3321759a8f795dd79fd12f713cc0549.png)
A.﹣200 | B.﹣100 | C.0 | D.﹣50 |
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解题方法
【推荐3】已知
是偶函数,对任意
,
,且
,都有
,且
,则
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5538517d36ee588c78888d05e068b8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f13a6b95c1116b29396bef5c6863323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd8bbf8d8b088f1df100e2347c351c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
A.![]() | B.![]() |
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解题方法
【推荐1】某学生对函数
的图象与性质进行研究,得出如下结论:
①函数
在
上单调递减,在
上单调递增;
②点
是函数
的图象的一个对称中心;
③函数
的图象关于直线
对称;
④存在常数
,使
对一切实数
均成立.其中正确的结论是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1947fd8b1e5fa9096c13256fdb3a23ed.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4b97703638756a4051a3dd0cdcf5a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c52273a1af76b9ae9de76b168edc8f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2ec02caf837c6e7e0b76dd9acc7f0.png)
④存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663d3623d0fdc62aea3ae19bc9f45c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.①③ | B.①④ | C.②③ | D.②④ |
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【推荐2】定义在R上的可导函数f(x)满足f'(x)+f(x)<0,则下列各式一定成立的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
【推荐3】若存在一个实数
,使得
成立,则称
为函数
的一个不动点.设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa59f5cdfc05f9f32cd6d3de2588f48.png)
为自然对数的底数
,定义在R上的连续函数
满足
,且当
时,
若存在
,且
为函数
的一个不动点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2839b96d9ef4e851b3501bc86026417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f97306ebc03780c60c20bf14364ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa59f5cdfc05f9f32cd6d3de2588f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f562cc96187180904e7f1a2ad08a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43ed879bf81594e1c12bf2ee6a87a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ca99654e3ce8d6d1089271b11c0202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86135bd40536042536c1c7bed21d0171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】设函数
是定义在
上的奇函数,
为其导函数.当
时,
,
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49ac5a30da41ec879c8e1a6801fd098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
A.![]() | B.![]() |
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【推荐2】已知函数
及其导函数
的定义域均为
,且
,
,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2630e3bf77c8aa02d7147368b615fac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f615401471b8389b8ec8a9702f3e7896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7a797c4db2b17572ceed72d88a2e9c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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