设函数
的定义域为R,并且满足
,且
,当
时,
.
(1)求
的值,并判断函数
的奇偶性;
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb65d839d62c7bc7d8fd0e5890e93f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33997bed41e043d3334e0597d3d230ee.png)
更新时间:2020-01-18 21:36:17
|
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解答题-问答题
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较难
(0.4)
名校
解题方法
【推荐1】已知函数
(
且
).
(1)求函数
的定义域,并求出当
时,常数
的值;
(2)在(1)的条件下,判断函数
在
的单调性,并用单调性定义证明;
(3)设
,若方程
有实根,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289cf9906f4301f108fa50b991298e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752a12112e7a21c08f76ee99f7bf188c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在(1)的条件下,判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a51a03f3e4d8e559b9850e4222c463.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1b756c50cb308aeeb77accb9c10815.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1efbe3b46023d8fbfd4a78902ff9c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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(0.4)
名校
解题方法
【推荐2】设
为正整数,已知函数
.
(1)判断函数
的单调性,并用定义证明;
(2)求关于x不等式
的解集;
(3)若函数
在区间
单调递减,比较
与
的大小关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2553714b94b412f4b2ff53f5264df9.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求关于x不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f524fd74bb5c67ccff0ce2c5c795f9d.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe816176c28c1838f35fe865ec0ec0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63dbe55b675c440885a0dab98ed43a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
名校
【推荐1】已知函数
.
(1)判断函数
的单调性并用定义法证明;
(2)若对于任意的实数
,不等式
恒成立,求实数
的取值范围;
(3)设关于
的函数
有零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f037d2484250664cffe9365be7407e.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对于任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f377d3ebae1ca1c7a4c68af25cd68d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1bd3765cc260794ccea5eb0ca3f3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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较难
(0.4)
名校
解题方法
【推荐2】已知函数
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2b75051479c8bd96402038bea4ec12.png)
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