名校
解题方法
1 . 已知函数
.
(1)若
,求函数
的单调区间;
(2)若函数
的定义域为
,求实数
的范围;
(3)若函数
的值域为
,求实数
的范围;
(4)若函数
在区间
上是增函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2873d3af4968c479b667419a7a4c4b33.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(4)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e033da5987b99663c9ab7db8488ea15d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
2 . 已知二次函数
,
.
(1)若函数
是偶函数,求实数
的值;
(2)若
,求不等式
的解集;
(3)若函数
在区间
上具有单调性,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4bc22c9795dd0dc317cc6ab96550f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530e48690edc3429da2d23c25151296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
3 . 已知关于
的不等式
的解集是
,则下列说法中正确的个数为( )
①关于
的不等式
的解集是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43d10402ece3fe56a9ec5899357f4e0.png)
②
的最小值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
③若
有解,则实数m的取值范围是
或![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bda892497cea43df67db57b4e2a07a.png)
④当
时,
的值域是
,则
的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e89f03984c63f438c5d8d44f768a3f.png)
①关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e045220e5071c3a7adc357816db322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43d10402ece3fe56a9ec5899357f4e0.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3507dd5b819b8e80bdd344580ea831e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2dc4ef827105ab4d0f46c62979819b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa204d6b5183969f6da37f369eb7293d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bda892497cea43df67db57b4e2a07a.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fe4269fe210492469ea88634ed3bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3527fb8e629dbd2389c186121d9314e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aaeb1f8daaa2e6659b752992f8fc3d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c830818d342726379d43e947bfb0dbf.png)
(1)若
是二次函数,过点
,顶点坐标为
,求
解析式
(2)当
时,若函数
在
上为单调递增函数,求实数
的取值范围;
(3)若关于
的不等式
的解集为
,求不等式
的解集(所求解集要求用区间的形式来表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c830818d342726379d43e947bfb0dbf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69abe959988e4c8c0739f5857ccfb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a1182481cb21386d5ceeb70f41740f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499a8449e8bb253065463c23f3ff5860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0376e851b46f7ea41759fb56b877b0cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7450f0033ae9a03a687db98c0d76719.png)
您最近一年使用:0次
解题方法
5 . 设函数
,不等式
的解集为
,若存在
,
成立,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6d816a0d049a59337193507f07fb33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b788993791f235ee6df8ca37d2551a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e3ee1abd077f750fa0932fb31265c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-10-20更新
|
567次组卷
|
2卷引用:天津市第一0二中学2023-2024学年高一上学期10月月考数学试题
名校
解题方法
6 . 已知函数
为奇函数.
(1)求实数
的值;
(2)求关于
的不等式
的解集;
(3)设函数
,若对任意的
,总存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18427b4e912bb1037378e3d8a49ce41d.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea998345984b6d1bbffa1e667365ed6.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75fefc4e600a5331b9c34f4bf569d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8a22408b9f93493f54bd6a94b57d9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c58890dbb803accb289676f61d0c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3bb43da17137e6c50874a8086df278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-25更新
|
513次组卷
|
2卷引用:天津市重点校联考2023-2024学年高一上学期期末考试数学试卷
7 . 有下列命题:
①函数
的定义域为
;
②不等式
的解集为
,则实数k的取值范围为
;
③函数
是定义在
上的偶函数,当
时,
.则当x<0时,
.
其中正确命题的序号为______ (把正确的答案都填上).
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4f9d8fa95e956e30338023526a50c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9612ee6c787e8f02ce3d3cde6692c4.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6d03dfc5b4ce38e17403b3b49fdc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbcd0aebdd8bd688d108834747009f5.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79446191602c1d2f941728ba8591b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e7123d1bc017045dfdb2c3d741bc11.png)
其中正确命题的序号为
您最近一年使用:0次
2023-02-24更新
|
575次组卷
|
2卷引用:天津市七区2022-2023学年高一上学期期末数学试题
解题方法
8 . 已知
,函数
,当
时,不等式则
的解集是______ ;若函数
的图象与x轴恰有2个交点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2f3358cc76ae0c64cff592ebd62285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2f2d7c81cb44416bcdf59419637682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,其中
且
.若关于x的方程
的解集有3个元素,则a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a30494534c42168425c241e8ca92781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8ff8d31545883a5880ae40ffc4ebb9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-04更新
|
499次组卷
|
2卷引用:天津市河东区2023-2024学年高一上学期1月期末质量检测数学试题
名校
10 . 已知函数
,
(
且
),且
.
(1)求b的值,判断函数
的奇偶性并说明理由;
(2)当
时,求不等式
的解集;
(3)若关于x的方程
有两个不同的解,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6528de53e54d52ef607e52bc6e452b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c5d20a1a48a36e5e6fae2df7a1918d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
(1)求b的值,判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd791cdf876b9a9e58f251f803aeb66.png)
(3)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86eb1fc4c70398c3820be4246c17426e.png)
您最近一年使用:0次
2023-01-10更新
|
825次组卷
|
4卷引用:天津市南开中学滨海生态城学校2022-2023学年高一上学期期末数学试题
天津市南开中学滨海生态城学校2022-2023学年高一上学期期末数学试题黑龙江省富锦市第一中学2022-2023学年高一下学期第一次考试数学试题湖南省常德市第一中学2023-2024学年高二上学期入学考试数学试题(已下线)第四章 指数函数与对数函数(类知识归纳+类题型突破)(4)-速记·巧练(人教A版2019必修第一册)