名校
1 . 定义
,
,
.已知函数
,其中
,
.
(1)若
,求函数
的零点;
(2)若函数
有且仅有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33309290491d336f5a69dd4308223cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359e01a850f9899b6d6db8bd89ac36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5abd3b24d792cccf006ccb28fd7be24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ac9f3b8fe5922577fd739ef6d765cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a5330c5112b58f8d1856663f1e062f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2aa9006e7fc5c7cb2b192d06c3bde51.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
的零点为
,且
,其中
,
,
.
(1)求
的最小值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2993cfbcef916c847b9809c960bd38f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7707af549293fd1f39f00082b9a35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383c2dd19c49061b5e31f1df53419a09.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b30e834f617e546d3d72ab488344f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25840915299534473faaada6bc8e93e2.png)
您最近一年使用:0次
2023-06-06更新
|
186次组卷
|
2卷引用:河南省创新发展联盟大联考2023届高三预测数学(理科)试题
3 . 若函数
满足
,称
为
的不动点.
(1)求函数
的不动点;
(2)设
.求证:
恰有一个不动点;
(3)证明:函数
有唯一不动点的充分非必要条件是函数
有唯一不动点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359baaa1ce86fe2403796f44d62429fb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0d493ff8d41fbcb33ad51365f46a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8166c6ec3cfe1f17dabc7b307cb2e1a.png)
(3)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276b142a9d9f0a87425a668dd6501f15.png)
您最近一年使用:0次
2023高三·全国·专题练习
4 . 已知函数
,其中
,
.定义
,
时,
.
(1)若
,求函数
的零点;
(2)若函数
有且仅有两个零点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18960abe46554c500b47706f5485e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a5330c5112b58f8d1856663f1e062f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2aa9006e7fc5c7cb2b192d06c3bde51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33309290491d336f5a69dd4308223cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359e01a850f9899b6d6db8bd89ac36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df616451f718501cfd9d2f532aaefa39.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49fbbe8f69e0f73bafdb867b8c4921dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,(
).
(1)判断函数
的奇偶性并说明理由;
(2)求
的最小值并指出函数取得最小值时x的值;
(3)直接写出函数
在
上的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c3a3b902aec51d4aca37b4ffc98c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ea2045585e5cbc928dc08be230b5c1.png)
您最近一年使用:0次
2023-05-11更新
|
322次组卷
|
2卷引用:北京交通大学附属中学2022-2023学年高一下学期期中数学试题
6 . 给出定义:设
是函数
的导函数,
是函数
的导函数,若方程
有实数解
,则称(
)为函数
的“拐点”.经研究发现所有的三次函数.
都有“拐点”,且该“拐点”也是函数
的图像的对称中心,已知函数
(1)求出
的对称中心;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10acd6d864583617dd3e71240bf0c857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1fa6ca9eb7cea9131dad36db6a0ac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c553558c1640e17b0c67395627d488c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f087ded8039eedaa8aa724b81ec393e9.png)
(1)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88afe5c5be8dc12217ccbef588cc61c.png)
您最近一年使用:0次
2023高三·全国·专题练习
7 . 对于函数
,若存在
,使得
成立,则称
为
的一个动点.设函数
.
(1)当
,
时,求
的不动点;
(2)若
有两个相异的不动点
,
.
①当
时,求
的取值范围;
②若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070054c0b4182ab7399ed56925844e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bc955d158efde0bdd62d14a60a65e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce4430b8b9b0c78de693513a7f88915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a663ae1e1c6e1a9c750bd0dde20f6a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad05ac8c8c8240664862d174343a85e5.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0cc5a0b1913b5518a459b157c99224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d18df40af0b8db62dd1829bcdf9089e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2023高三·全国·专题练习
8 . 对于函数
,若存在实数
,使得
成立,则称
为函数
的一个不动点“.已知函数
存在不动点
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bc955d158efde0bdd62d14a60a65e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75715ac447b4f2b0a7b567b6def0d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645a947a8d54f430e046269ec143939f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,
.
(1)求函数
的零点;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34c9257e3a3d9987e4e96aa9effea94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d998f0f95e1f7020252b159ee52cdd14.png)
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名校
10 . 已知函数
.
(1)若
,证明:
;
(2)若
是定义在
上的奇函数,且当
时,
.
(ⅰ)求
的解析式;
(ⅱ)求方程
的所有根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc26cf8da4ca199bbe087d57d3075da1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0c15ce41f3ade67294b55f55586f71.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(ⅱ)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a7b0c24e712bc0a5a9fdd0d74b8b54.png)
您最近一年使用:0次
2023-03-28更新
|
413次组卷
|
2卷引用:广东省深圳市龙华区2022-2023学年高一上学期期末数学试题