1 . 已知函数
的定义域为
,其中
为常数
(1)若
R,讨论
的奇偶性,并说明理由
(2)当
时,求方程
的解集
(3)当
时,解关于
的不等式
,并写出解集(结果用字母
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faf272c620bc8d77217893572bcebb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d85799453899836bc34ad276ec80e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb864dd7a89c9f98739eb6abec56cf9.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46461b4f2db7b3e690a95b575b12151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
2 . 已知函数
.
(1)解不等式
;
(2)记函数
的最小值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e63641a0b5d0a1d5199a254bf39445.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4509817be39bef4bcde115996ee39e8.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9bfb03a784d710f225cc90d30919fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83427835b4ef22278d1a2383e65c5ecd.png)
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解题方法
3 . 设函数
.
(1)解不等式
;
(2)令
的最小值为
,正数
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2790f3349fae2119070e9a512717aa9e.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155834bf3412ebac9896c0cce9e2cb31.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ccb77ba53e986204cd158abb87bcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4336688b5b9fb6d91400401756cc45e8.png)
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2024-01-03更新
|
898次组卷
|
11卷引用:四川省雅安市2024届高三一模数学(理)试题
解题方法
4 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c256fbd9aa0f611c6524a9d4053341.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062844ed8f0949e6717bb6fd0b84fe46.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c727e4cdca97063b0b7daf038e8834.png)
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解题方法
5 . 已知函数
.
(1)求不等式
的解集;
(2)若曲线
与直线
所围成的三角形的面积为96,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b763a629be49abfb5aafed3bd4bbdf9.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990d3feee85e869ea9ab561ff63d46a2.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-12-30更新
|
58次组卷
|
2卷引用:华大新高考联盟2023-2024学年高三上学期11月教学质量测评理科数学试题
名校
解题方法
6 . 已知函数
.
(1)求
的最小值,并指出此时
的取值范围;
(2)证明:
等价于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512a30ae772c9ad858e0c1de041f7707.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2146ceef447fc62775f67a088a39a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ea38a20f3b5aca37b6192237252119.png)
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2023-12-27更新
|
196次组卷
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5卷引用:陕西省西安市部分学校2024届高三上学期12月联考数学(文)试题
名校
解题方法
7 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
的图象与
轴围成的三角形面积为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e2859288b663c4d041c907219ce317.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-12-20更新
|
134次组卷
|
4卷引用:四川省绵阳市绵阳实验高级中学2024届高三上学期11月月考数学(文)试题
8 . 已知函数
.
(1)求不等式
的解集;
(2)若
的最小值为
,正数
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fb5235d37e0ad856b799673ca16b71.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab989f85a681b41c29465d4be74b789f.png)
(2)若
![](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/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb73613b4b0ee13745eda42db209164a.png)
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解题方法
9 . (1)解不等式
;
(2)用作差法比较大小
与
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef79213e3f1afd42daf467a78474c7dc.png)
(2)用作差法比较大小
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1567f3ba3dd484d885a134239b6a7496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41d3f5345d3af16392fc6da4e669459.png)
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2023-12-20更新
|
643次组卷
|
2卷引用:广东省四会市四会中学、封开县广信中学2023-2024学年高一上学期第二次月考数学试题
名校
10 . 已知实数
、
,满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9569526f4770a3779541b80e2447108e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00087d2a373565325eb56b0bb7129d4d.png)
您最近一年使用:0次