函数
且
,函数
.
(1)求
的解析式;
(2)若关于
的方程
在区间
上有实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246de316aacce5e2a1b482840ff02f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b16f8909a04c6da49fec21bd78d609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06c02380c3d873a343af1131635c8edd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdaf29656ec6bfeacab499fc2a59ede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
21-22高一下·江西宜春·开学考试 查看更多[2]
更新时间:2022-03-11 15:20:21
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相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知
,
.
(1)求证:
为奇函数;
(2)设
,
,求
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d2120493983e3cf40479078305b063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf902cc3bb13d7c6372c49d9e5a2cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐2】已知函数
.
(1)求满足
的实数
的值;
(2)求
时函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14daaffaa0924af4975e642d682a964a.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1a4f3d0f4f608ea4e8481843d19429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f851f9849dfe2c3306d20d06f712069d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐1】已知函数、
的表达式为
,且
,
(1)求函数
的解析式;
(2)若
在区间
上有解,求实数
的取值范围;
(3)已知
,若方程
的解分别为
、
,方程
的解分别为
、
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb2fb6043949ffd4a0fc14967e23c90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f24e2e30cfbbac5f6fd78d3a00c16af.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ba460af495451b5d477b8aca7fbbd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba61a5d7799215c69c4cf5f2b55dcbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337c8a3dcd7138813bd4095a2841d00e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026b651f694f41ecbf8540c5aab9d77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6033f52389dd8fe5f5f4466e52bcbea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6705f34c8c463900b248598ecf7185c0.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知函数
的图像过点
和
.
(1)求函数
的解析式;
(2)记
,
是正整数,
是数列
的前
项和,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2042d7826dd3bd564bb45c890d54471e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924507a7b11e6ac2ba1af522ed0dad4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d39bc6cbcef0f45e46b8575d42cb00.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d5c2b25051d70362949f4bcbc379fca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcccef9904b053abcf0174b2b9aad807.png)
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解答题-问答题
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适中
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解题方法
【推荐3】已知函数
是定义在
上的奇函数,其中
为指数函数,且
的图象过定点
.
(1)求函数
的解析式;
(2)证明函数
的单调性;
(3)若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8997621a85b662eec0c993fb4d9be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25b8962c41f757f2b7d7fd4f6f4fc19.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209c3e76da976f5491aa1f61efeb2008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解答题-问答题
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解题方法
【推荐1】已知p:关于x的方程
在
上有解;q:函数
的定义域为R,
(1)
为真命题,求实数a的取值范围;
(2)若
为真命题,
为假命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef83e1d6e57f1e749bef13f752e22a39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6339d9570c5e74e1864460fc9a3ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a57ee6e32adefe8bdb14253baa575d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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解答题-问答题
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名校
【推荐2】设函数
(
,
且
).
(1)若
,且不等式
在区间
恒成立,求实数
的取值范围;
(2)若
,函数
在区间
上的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f1a326456ba10c718efdcf7d525e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d8742c296a7949b598114a34c51f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1dd729a2435418b74e8b56b92a587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fbec93189276445b83c6df4e9f4866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1b6a97182bf7e313389bd039241974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be381da62d4a042476aa11dbd5824e8d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
.
(1)求函数
的解析式.
(2)若关于
的方程
有两个实根,其中一个实根在区间
内,另一个实根在区间
内,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eafe5788d721da68ec00d95c03098fa.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db82d08fc5302c73bbef1b50b51ef036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知函数f(x)=lg
的图象关于原点对称,其中a为常数.
(Ⅰ)求a的值,并求出f(x)的定义域
(Ⅱ)关于x的方程f(2x)+21g(2x-1)=a在x∈[
,
]有实数解,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148bba8328bce35de6e064942cda15a0.png)
(Ⅰ)求a的值,并求出f(x)的定义域
(Ⅱ)关于x的方程f(2x)+21g(2x-1)=a在x∈[
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103070abee09399f1e9510a75c3ba9e8.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐3】已知函数
是定义在
上的偶函数,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/bc31d46c-022e-4d95-aaee-47d3a0c90d1c.png?resizew=216)
(1)求函数
在
上的解析式,并在坐标系内作出函数
的图象;
(2)若方程
恰有四个不同实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5212ce4da8630abea17b66cfb964859.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/bc31d46c-022e-4d95-aaee-47d3a0c90d1c.png?resizew=216)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4639369fb0b0c02857ec42e069bb7d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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