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1 . 下列函数中,满足对任意的
,
都有
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7493c0fcdc634aa03efb6be277e23769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95d85eb6b07dc97d10074202fb8a1f1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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236次组卷
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2卷引用:北京市东城区2023-2024学年高一上学期期末统一检测数学试卷
2 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f47635f7958a97a037d9a5c1b07d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 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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4 . 当药品
注射到人体内,它在血液中的残余量会以每小时25%的速度减少.
(1)按照医嘱,护士给患者甲注射了
药品
两小时后,患者甲血液中药品
的残存量为
,求
的值;
(2)另一种药物
注射到人体内,它在血液中的残余量会以每小时10%的速度减少.如果同时给两位患者分别注射
药品
和
药品
,请你计算注射后几个小时两位患者体内两种药品的残余量恰好相等.(第(2)问计算结果保留2位小数)
参考值:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)按照医嘱,护士给患者甲注射了
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7428057b4757de6d1d510712f01465e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55354a714cdf174cf4ebd43a2f041bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)另一种药物
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2baea0d7b4cae52246ff279a41e460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618c8bb0c6e025b11eeb7da738183d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
参考值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49dc2827f437b3a1e7cbc25c680093c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51988fef1f0ae3f710f36865834790e5.png)
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5 . 已知函数
,
,
.
(1)当
时,判断函数
的奇偶性并证明;
(2)当
且
时,利用函数单调性的定义证明函数
在
上单调递增;
(3)求证:当
且
时,方程
在
内有实数解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cc9b1b321520eae2bf944a9c85c9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657435e1fda84118e7f63c97505c8b75.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/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
(3)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a871ef7bf13de3e15489d65b57a3cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99caed81bfb141d6e7dac8f6fe9db069.png)
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解题方法
6 . 函数
的定义域是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0513aafc91ffd421ec137ecc82414d4b.png)
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解题方法
7 . 奇函数
在区间
上单调递增,且其图象经过点
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2372f424431ce7b547a66b7d61d75421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1f94ec61d2c0ac73ab60713351fe01.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 把长为
的细铁丝截成两段,各自围成一个正方形,那么这两个正方形面积之和的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b1fe1b971b780e443a9b13621611c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知集合
,
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围;
(3)若将题干中的集合
改为
,是否有可能使命题
:“
,都有
”为真命题,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4cfb5d93fa28c188aa01a7b920634f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7566e20eeaa2ca570931bacc749b9bb9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若将题干中的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0297c69a68d6d7d8abd636ca0fdab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd170c506a8ce70f550f5751ae016ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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10 . 已知函数
.
(1)求证函数
为奇函数;
(2)判断
在区间
上的单调性,并用定义进行证明;
(3)求
在区间[2,6]上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47b2d73a4858fe5a169a0964c7e878e.png)
(1)求证函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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