1 . 设函数
,其中
.
(1)讨论函数
的奇偶性,并说明理由;
(2)当
时,求
的取值范围,使函数
在区间
上是单调递减函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6e210a6d49929ae2668081add4a164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da989240786ef7c3e2d903f30caf59e3.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e1b05befa58e73163f3909b8f1660d.png)
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10-11高一上·北京·期中
2 . 已知函数
.
(1)若函数
的定义域和值域均为
,求实数
的值;
(2) 若
在区间
上是减函数,且对任意的
,总有
,求实数
的取值范围;
(3) 若
在
上有零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a881a48eeae494fd6493fd85e187a6d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb877dfb9913f28cd9114644e4b7de46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36c3781d5caf82f3749cd503d23ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc67547df0e6623fc202e6a25f181df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d893e9e2531becccaef12f490398b864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 设已知函数
,
(1)当
时,求函数
的最大值的表达式![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/1d90b979acfb479c8de9b785fef62fc1.png)
(2)是否存在实数
,使得
有且仅有3个不等实根,且它们成等差数列,若存在,求出所有
的值,若不存在,说明理由.
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/7c4e8ed6277f4ab2972025f46eecac44.png)
(1)当
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/59d78b8449984b8a823badd0e1fa9317.png)
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/37657d6ae47949c2a719f1663aa8b8e5.png)
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/1d90b979acfb479c8de9b785fef62fc1.png)
(2)是否存在实数
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/da4e80bc6ebe43d0ab50eb6dd49bcf7f.png)
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/e53f5c94aacb41b4963e8ecc07024268.png)
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277393432576/1572277399560192/STEM/da4e80bc6ebe43d0ab50eb6dd49bcf7f.png)
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4 . 已知
,函数
.
(Ⅰ)若函数
在
上单调,求实数
的取值范围;
(Ⅱ)若存在实数
,满足
,
.求当
变化时,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf105efd4cf5f580d0561e54d923e347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076ae2e81ab77afaf865e7292a69ade3.png)
(Ⅰ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6bfefa5b41faae17987876d570685d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c5ebc202fe6ebf6c283b31e02f7244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2037b0bad7c7a312bac1ac0653d9a491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
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13-14高二下·浙江台州·阶段练习
名校
5 . 设p:f(x)=
在区间(1,+∞)上是减函数;q:若x1,x2是方程x2-ax-2=0的两个实根,则不等式m2+5m-3≥|x1-x2|对任意实数a∈[-1,1]恒成立.若p不正确,q正确,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1ef4a1a3b4d51a8cec5e1e36cf5a52.png)
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2016-12-02更新
|
1269次组卷
|
3卷引用:2013-2014学年浙江省台州中学高二下学期第一次统练理科数学试卷
(已下线)2013-2014学年浙江省台州中学高二下学期第一次统练理科数学试卷2018届高三数学训练题:阶段滚动检测试题(一) 湖南省长沙市宁乡一中2019-2020学年高一(拓展班)上学期11月月考数学试题
10-11高一上·浙江绍兴·期中
解题方法
6 . 已知函数
有如下性质:如果常数
,那么该函数在
上是减函数,在
上是增函数.
(1)如果函数
在
上是减函数,在
上是增函数,求
的值;
(2)证明:函数
(常数
)在
上是减函数;
(3)设常数
,求函数
的最小值和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb43c038f26d80cb49b3c6212228f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c61935827a2fae8f394e49ee487e7c.png)
(1)如果函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0057729a7b33fb613e4362c266ac881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d65618fd98232687a41f0c2ee4d1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814f370071f9c08eef3fe02bf54502c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb43c038f26d80cb49b3c6212228f96.png)
(3)设常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2c7b30a49c8982cf5b61b1ecbde296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdafd7aa9b151014770f2cd5d7cf1f50.png)
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12-13高一上·浙江嘉兴·期中
7 . 已知函数
,
(1) 求证:
在
上为增函数; (2)当
,且
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4063691d2a8f121a655a8c6aa1a58d94.png)
(1) 求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f94345694d4215284c41f87146795ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
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12-13高一上·浙江杭州·阶段练习
8 . 已知函数
在
上为增函数,且
,集合
或
,关于
的不等式
的解集为
,求使
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a14413930719079fe784789d8974f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279b1ce70faa4c5e81e06612d12c2771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa8b9f0907bc4ea4ab7aeaab629d0c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e3da6eb166b3e11b9b7b35d5891696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10-11高三·浙江台州·阶段练习
解题方法
9 . 已知函数
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f0ab17df4c09a0443e6a4633041cb6.png)
(1)当
时,若
在
,
上单调递增,求
的取值范围;
(2)求满足下列条件的所有实数对
:当
是整数时,存在
,使得
是
的最大值,
是
的最小值;
(3)对满足(2)的条件的一个实数对
,试构造一个定义在
,且
,
上的函数
,使当
时,
,当
时,
取得最大值的自变量的值构成以
为首项的等差数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acfbacb93813c19eff0eedf3cd060ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5215c691dffe3d6fed9cca904189560b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f0ab17df4c09a0443e6a4633041cb6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b56998843f305bf2fa016973a975470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7ddb5245cbaa046b6e554dcb540a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求满足下列条件的所有实数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7417645b760b0e03cfe0bcdaa6a1d93e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10ad6776465314af33ec65e9e69b4b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)对满足(2)的条件的一个实数对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a5cde1ca41353ac3db51cbcf9b5797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ec1f561dc205e5fdca1b90badffe75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1741b013a3ac86dbf771fd896285bf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5bd51834b1fccde85ce6694c0b2a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee0cfceb10b2ff10bf43b56485d67b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
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10-11高一下·浙江嘉兴·期中
解题方法
10 . 设函数
,
,且
.
(1)求
的取值的集合;
(2)若当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea0e27d243d60a90ddb1135bbc4941b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef72e4e5551a9ae89714cf8071da447b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3712ce4cde0a2c2f4a3d50ff2caca730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff5d5372800030b5c5328e9406dd60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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