1 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456f9619e9432aafed3c626279bb9924.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.方程![]() ![]() |
D.不等式![]() ![]() ![]() |
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2 . 设函数
是指数函数
(1)求
的解析式
(2)若将函数
的图像向左平移1个单位再向上平移2个单位,得到
,若对于任意
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca26e1ffb90d654c31da1c6e3c876eef.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca97e3aa8061c4d8e621c5598c69b13b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9c33d466de4f6af3d4843225fb9d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
3 . 已知函数
.
(1)当
时,求函数
在
上的值域;
(2)若对任意
,总有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8254c52e2b3a53dcb72ce7be80f765f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e8e1c23498053dece274fc224982d8.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d4ed5e556e038960fa3a5f597e7474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-01-18更新
|
133次组卷
|
2卷引用:安徽省安庆市潜山第二中学2020-2021学年高一上学期第一次月考数学试题
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4 . 已知:
是
上的奇函数
(1)求
的值;
(2)判断
的单调性,并证明;
(3)设关于
的函数
且
,使得
.求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c00f5b7df36dd6f58a384f65346c00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196b07fe2c22c854a9a14c8dbdcf862a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07487b63106bdbb2388d0cc5b66a269e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1f6026ee2623513343c2b750110292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
5 . 已知
,若对
,
,
,总有
,
,
为某个三角形的三边边长,则实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9a76a25f01cb8c92c6e15f25a6bcdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0d0c4b549a88ecf35cf6a7db285213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9769116ec47353514e6b7fb7b17216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542893790445d6d888d9ff91fd215c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1e5fb2d54a62f243bd5936a3f60386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 已知定义在实数集R上的偶函数
和奇函数
满足
.
(1)求
与
的解析式;
(2)求证:
在区间
上严格增函数;
(3)设
(其中m为常数),若
对于
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41ae210dd892fc5428a51dd409aa69d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d288279bf4c401db817e00d28eeafb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd364db2c851e9c24cbf5fba46a5e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a002dd51f5338c4bc0e15fb201c3f.png)
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7 . 已知函数
.
(1)若
的图象经过第一、二、三象限,求
的取值范围.
(2)当
时,是否存在实数m,使得
对任意的
成立?若存在,求出m的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488396900af10de0fa1e3c097faa09ea.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbc95a929e5f1359522af61d345f17e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20f3f2a1abb440ad1b2cc79a4a63be9.png)
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解题方法
8 . 已知函数
(
且
),
.
(1)求
的值,判断函数的奇偶性并证明;
(2)若对于
,使得
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1523ec58743a63f8dadf7c86fbbf11c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28907ddb8b518350b47d5a378eac108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-12-30更新
|
131次组卷
|
2卷引用:重庆市外国语学校2020-2021学年高一上学期12月月考数学试题
名校
解题方法
9 . 函数
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3606fd3966dc72e0f8a32047945a86e2.png)
(1)令
,求
的范围;
(2)求
的最大值与最小值:及
取最大值最小值时所对应的
值;
(3)若存在
使
成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebea1664efbac28b6218081121e3bbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3606fd3966dc72e0f8a32047945a86e2.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a035d5e9162645caed5c6ca4fde7f963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0d22118c3b1205fa486805d7fdac7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d7561b3ccf856392a3d7bc5713ecc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 已知函数
(
是自然对数的底).
(1)若
,判断
的奇偶性,并说明理由;
(2)若函数
为奇函数,当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eebcd0af27696861a5d9b825319bf9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa83416de0b6dcf810d65d8d10135d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-12-27更新
|
321次组卷
|
2卷引用:江苏省无锡市南菁中学、泰州市泰兴中学2020-2021学年高一上学期联考数学试题