名校
1 . 已知函数
.
(1)判断
的奇偶性和单调性(不要求证明);
(2)若不等式
对任意
恒成立,求实数
的取值范围;
(3)若
,其中
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0906dbb6324d95989d6b9c9f04ce47c7.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75d3e95336c5228b05d60715d0ca2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d4e4a30f64d8ffccb3fb538ed91b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e063796a8bd44b748089d22f2cfead86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d42c49064a9c51c13cacb822e327336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228e9f79b8ac4bed03d7049800d925bf.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)判断函数
在R上的单调性,并用定义证明你的结论;
(2)若对于任意的
,
恒成立,求实数m的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d53ed38917543948e826e2add9134d0.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193a4717d564c01145e82314c2d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f7a02f5d38f013ef3d985c59e4e321.png)
您最近一年使用:0次
2020-02-14更新
|
238次组卷
|
2卷引用:浙江省台州市2019-2020学年高一上学期期末数学试题
名校
3 . (1)运用函数单调性定义,证明:函数
在区间 (0,+∞)上是单调减函数;
(2)设 a 为实数, 0 <a < 1 ,若 0 <x < y ,试比较
和
的大小,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b963dc7c48610e605307a128640fd8.png)
(2)设 a 为实数, 0 <a < 1 ,若 0 <x < y ,试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13148b500d8568efe6d3db55c409c154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf41f986035bb5a834a2fa41a281155.png)
您最近一年使用:0次
名校
4 . 设有二元关系
,已知曲线
.
(1)若
时,正方形
的四个顶点均在曲线
上,求正方形
的面积;
(2)设曲线
与
轴的交点是
,抛物线
与
轴的交点是
,直线
与曲线
交于
,直线
与曲线
交于
,求证直线
过定点,并求该定点的坐标;
(3)设曲线
与
轴的交点是
,
,可知动点
在某确定的曲线
上运动,曲线
上与上述曲线
在
时共有4个交点,其坐标分别是
、
、
、
,集合
的所有非空子集设为
,将
中的所有元素相加(若
只有一个元素,则和是其自身)得到255个数
,求所有正整数
的值,使得
是一个与变数
及变数
均无关的常数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489a58805c72dcadc4abd8c4588165d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912af898055c5dabdf767a3cf7b2d8f2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8636fedba520535bd22f80a257cce15b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c015d99f2677951bdcd0447240ef93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4a63d14654c66cc71bf26293d698ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(3)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa5463bb430fa36159237b0238363c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfbe53ce5fd04beb18203214b662573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fd0f89e7a74e6a1269ea3f60383f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7351e10351e2216540c194735cb24039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0db9725b166638962758593bff482a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d10abb19c5f496ed322c2f4bcd5cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a25362614aa93807f5bc0adec1f585b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e27aa0c05e4f20fd9b06ec3aec7c9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac2a1b17f01e120dc4d1b35db181269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc00379c7af113543302417b685c7d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc00379c7af113543302417b685c7d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad9f4dff95110a7ca7386523010b422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92784299c483916224b45d36c5e82363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b49387212190fca877a8f280aa4c37.png)
您最近一年使用:0次
2020-01-02更新
|
490次组卷
|
3卷引用:上海市南洋模范中学2017-2018学年高三上学期期末数学试题
名校
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107cd4e3631b5ff7c8f57d8101b8e183.png)
(1)判断函数
的奇偶性,并证明;
(2)设
,用单调性定义证明函数
在
上是减函数;
(3)求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107cd4e3631b5ff7c8f57d8101b8e183.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d856521ade5b3e7724031fe0c4b77c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba6e6f0b3a0650b0a85aa419c5347d4.png)
(3)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69744427b6774d19d0c7e0209670b09f.png)
您最近一年使用:0次
6 . 已知函数
,其中
是非零常数.
(1)当
时,用定义证明:
是
上的递增函数;
(2)当
时,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188c80be73cbbd9d4bd2787abb2c002c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7be8524456ba4e9abb973da323c0c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f795eefba1caf9a069ea1a0803692e8d.png)
您最近一年使用:0次
7 . 已知存在常数
,那么函数
在
上是减函数,在
上是增函数,再由函数的奇偶性可知在
上是增函数,在
上是减函数.
(1)判断函数
的单调性,并证明:
(2)将前述的函数
和
推广为更为一般形式的函数
,使
和
都是
的特例,研究
的单调性(只须归纳出结论,不必推理证明)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311f24add812e85cff437a699caa202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c049415b40b1e5d3ddbd8c6b945c987c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2390c13c992d18d88c1e50254ce477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29caaa3309d75b3b6927301b3d096fda.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee9b6dcfe4ce020479c0b7b1a167a7c.png)
(2)将前述的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
您最近一年使用:0次
18-19高一上·上海浦东新·期末
名校
8 . 判断并证明函数
的奇偶性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e1ebeedc8c3bfe8dd16d5a7af72c29.png)
您最近一年使用:0次
名校
9 . 已知函数
是定义域为R的奇函数.
(1)求t的值,并写出
的解析式;
(2)判断
在R上的单调性,并用定义证明;
(3)若函数
在
上的最小值为
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a70bb60f0987fc162984943a7c6146e.png)
(1)求t的值,并写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bf44fbbe685836a891b630ff0f21c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
您最近一年使用:0次
2020-02-06更新
|
978次组卷
|
4卷引用:辽宁省辽阳市2019-2020学年高一上学期期末数学试题
辽宁省辽阳市2019-2020学年高一上学期期末数学试题(已下线)第03章+函数的概念与性质(B卷提高篇)-2020-2021学年高一数学必修第一册同步单元AB卷(新教材人教A版)福建省莆田第二十五中学2020-2021学年高一上学期期末考试数学试题云南省楚雄州2019-2020学年高一上学期期末数学试题
名校
10 . 已知
对任意的实数
,
都有:
,且当
时,有
.
(1)求
;
(2)求证:
在
上为增函数;
(3)若
,且关于
的不等式
对任意的
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56aab33192d27408ec638ec1859a58ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5ad196508e7cabe506220be0b5788b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ddde79ff1ca95cd78d19d13b092d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b9a36f88218cecef6009b577fbf9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-11-13更新
|
977次组卷
|
5卷引用:山东省临沂市沂水县2019-2020学年高一上学期期中数学试题