解题方法
1 . 若定义在
上的函数
满足:
,都有
成立,
且
为
上的增函数.
(1)求
的值;
(2)证明:
为奇函数;
(3)若对
,不等式
都恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ba6d93a671ca21730facc7fbf052c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9c7ce3315926725a1583323ec15875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bc0eb442cdaae7d986b44d0697b636.png)
(3)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea05da6a704009c5a2fcd0525484595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265f0db0a1aab574a9efb40c55ad118b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 已知
,则
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4622b12fe4faffb461896b8416d3ea69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048becadfcad4001fc1fc6e7a79e9c25.png)
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3 . 函数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d6d865670d4509e638a8b5804f7dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-11更新
|
595次组卷
|
2卷引用:重庆市第八中学校2022-2023学年高一上学期期中数学试题
名校
4 . 已知函数
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13be0e3038fb41e0a5368404142988f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
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5 . 若函数
对任意实数x和y均满足
,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6521ef75f0a05fe62cdfd2fbbe0430b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e7b359eb7cd04493fc030a87eccbf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1919586b0ab05bf0245e09f34179ae97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70679d829de96f5fb94a14b5a40f86de.png)
A.5 | B.6 | C.7 | D.8 |
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解题方法
6 . 设函数
,若函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107f5f97110237a6cb4d76ac18370466.png)
____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acc4c9e063ba869ac2b3e4002160da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e9089e21e10f127e970d8e42e55244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107f5f97110237a6cb4d76ac18370466.png)
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7 . 已知函数
的定义域为R,且满足下列两个条件:
①对任意实数
,
成立,
②当
时,
.
(1)求
;
(2)判定
的奇偶性并证明;
(3)设
,试求
的最大值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
(2)判定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be3efe0a6b26c682043da61864b1f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e7fd1622316cd0f50b193a3c573e75.png)
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8 . 函数
对任意的
,都有
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024dab1368ab1b6476bdf85341b13627.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6f5d45adf0314f93a495f037109bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed4a43f81fa25b42b3cce2d918c1054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
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解题方法
9 . 已知定义域为R的函数
对任意的
均有
,且对任意给定的
,都存在
,使得
,则
可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0bb6d63b7bcaee92a470d58cc399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a9859db57169e7d38677cd1c7a2fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知
.则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0312a0802489be57d0842659566fbaf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212381ec0dbd7f351b18b78f2398ab3a.png)
A.5 | B.11 | C.18 | D.21 |
您最近一年使用:0次
2022-11-03更新
|
336次组卷
|
2卷引用:重庆市西南大学附属中学校2022-2023学年高一上学期期中数学试题