名校
1 . 函数
,直线
与函数
的图象相交于四个不同的点,从小到大,交点横坐标依次记为
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92d0e798924d83a5ff96c5fa8a3e0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35893041a02be39c9d0c1e9b329556eb.png)
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2 . 已知函数
的定义域为
,对任意
都有
,
,且当
时,
.
(1)求
;
(2)已知
,且
,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f247866d4020ed309d4e4d121ce445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3e4fa30ce3e0ad3d98f0156abaf714.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65b5f9887eb121174fc58d928161696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
3 . 已知函数
是定义在R的偶函数,当
时,
.
(1)请画出函数
图象,并求
的解析式;
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/6ec28d4e-fa70-441a-aca3-bc53a06205ed.png?resizew=235)
(2)
,对
,用
表示
,
中的最大者,记为
,写出函数
的解析式(不需要写解答过程),并求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119e06d01d35c30f2166624271535bff.png)
(1)请画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/6ec28d4e-fa70-441a-aca3-bc53a06205ed.png?resizew=235)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb38f882b0c43421f768b42bc69552b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a976d91358362fa49d6da8021fd47e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2436715f7e189af4171b7b259705d1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
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解题方法
4 . 已知函数
.
(1)若
,求
的取值范围;
(2)若
,且
,求实数n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01a507d9bc452b32c6fe5718b824092.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3c438fb4167ec239e555f01151dbba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef195526b03e757adaa3763cb0034b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eaab9d1ca5157310bbb5f4d6a846956.png)
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名校
解题方法
5 . 设函数
已知
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a430425e383f6de01453211a09db938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951836ef5e4cfd3689a94810e0f8d43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67afd34495f2c2c3fe2deec14e1b4b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c21734265a5c61ed1d4d8c00b0464e.png)
A.1 | B.0 | C.2 | D.![]() |
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名校
6 . 已知函数
,满足对任意
,都有
成立,则实数
的取值范围为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2c03311be838d7b39943542d4631fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a57d6d7b74ae630e6ce3b43afe6060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
7 . 下列命题中:
①若集合
中只有一个元素,则
;
②已知命题p:
,
,如果命题p是假命题,则实数a的取值范围是
;
③已知函数
的定义域为
,则函数
的定义域为
;
④函数
在
上单调递增;
⑤方程
的实根的个数是2.
所有正确命题的序号是______ .
①若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7871353724aae78dec4575fabf33d210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
②已知命题p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e80093b2d71987418a5df6ba62cfa732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e10140ab3cdc13d710a65b2287c892b.png)
③已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899437dff017bba9f1bee755ca0c297b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07793c3c0222de60cd9430689be9ce44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
⑤方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c825bfee48496aae1cea1068646855.png)
所有正确命题的序号是
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2024-03-19更新
|
473次组卷
|
3卷引用:云南省昭通市一中教研联盟2023-2024学年高一上学期期末质量检测数学试题(A卷)
8 . 设
,函数
给出下列四个结论:
①
在区间
上单调递减;
②当
存在最大值时,
;
③存在
,
,使得
;
④若存在两个不同的x,使得
,则a的取值范围是
.
其中所有正确结论的序号是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb38c2e2a9484bf5956a2c644a316de.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a7642c9278c33a62f1ed6a7cc468fb.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652ed11413a1e1739b5bb36cc457f4b8.png)
③存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f4fcf665e3643097575321d14a7c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a5aac861859447bfa43657536d7780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772de42a00014bda198747189a87ec98.png)
④若存在两个不同的x,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75218f92d6013def9add8e470c2fb2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04576c20aeb31bb60b412a7cc4f80471.png)
其中所有正确结论的序号是
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9 . 若函数
的定义域为
,则函数
的定义域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b4578dd3f4587a35490854ac0daf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1edf87647ed6b123616495947079ac55.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 若函数
是
上的单调函数,且对任意实数x,都有
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4138e3a956d50c217cdd4799ff1edd.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49791bb3186afedd8ac7b5163355dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4138e3a956d50c217cdd4799ff1edd.png)
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