1 . 已知函数
.
(1)判断并证明
的奇偶性;
(2)判断并证明
的单调性:
(3)求解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237f0f74da70582741da88dedd8113b0.png)
(1)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7757dd1da30ac3e42f910f89ca85b17.png)
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解题方法
2 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a3775054d7e567f07292acccd23656.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85dd8233e929715705059522bc1e852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99f6241f03f76761403af0c53d3a0f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 设
.
(1)判断函数
的奇偶性,并说明理由;
(2)判断函数
在其定义域上的单调性,并说明理山;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c71f2109a6715a12a16fb0e4aee29b.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80bc341bcf08ab1b541d8b5c3b78f485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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解题方法
4 . 已知函数
.
(1)判断
的奇偶性,并证明;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c8a8af02118cf6f1fcbc437727e386.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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解题方法
5 . 已知函数
的表达式为
,将函数
的图像向右平移1个单位,再向上平移2个单位得到函数
的图像,
(1)判断函数
的奇偶性,并说明理由;
(2)求函数
的表达式,并求
的值;
(3)若不等式
恒成立,求ab的最大值;并指出当ab取得最大值时,a、b的值分别是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98e7495115e2c6d7c832eda09291fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6279289fb354efeb10772c5763c58775.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6279289fb354efeb10772c5763c58775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710bf8fd8886f75075997c60032efa50.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fd6eb11c957333838720d78f4862f8.png)
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解题方法
6 . 对于函数
,如果存在实数
,使得
,那么称
为
的生成函数.
(1)下面给出两组函数,
是否分别为
的生成函数?并说明理由.
第一组:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/815a5f1a80e2fac8954e6a6bb9748da8.png)
第二组:
;
(2)设
,生成函数
.若不等式
在
上有解,求实数
的取值范围;
(3)设
,取
,生成函数
的图像的最低点坐标为
.若对于任意正实数
且
,试问是否存在最大的常数
,使得
恒成立?如果存在,求出这个
的值;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df235798a3ac5f02387cabbf0bece19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ff66adb0ac6a3d92725b51455cb351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2747dd40e29f1e55ad2c611e70a26130.png)
(1)下面给出两组函数,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2747dd40e29f1e55ad2c611e70a26130.png)
第一组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/815a5f1a80e2fac8954e6a6bb9748da8.png)
第二组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d24a2f0b9c248b32a586c539c0e4986.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b888c9936387766f0f3ef1413cc056bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083d3a05948d9a616153f2801f57b9d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad814089e37543b2f547af9ae75b6dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a7c7a8d58449694d6a8fc251f7df0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a9275848b5c91230c249a45f1bfc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8d8441014892f9ad3dbaad3f89774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6d212af16df691543a3aa0d85cf902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
7 . (1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c20af8cc81f77b3db3096912e2e46a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852db19cd02ecba23c4f967ec6bc58b8.png)
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8 . (1)判断函数
的奇偶性并说明理由;
(2)证明:函数
在
上严格增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad6188d02c911dfdd3ca620e9d44ba5.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4f831709102b325c2659597654715d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2372f424431ce7b547a66b7d61d75421.png)
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解题方法
9 . 已知函数
满足
且
为奇函数.
(1)求
的值;
(2)判断
在区间
上的单调性;
(3)当
时,若对于任意的
,总有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6c326cc9d98fe43a1ef99174ec5101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d660b2fbb91d3877318b3ecb18ef5446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a6c3b8663fc8274d946cec4b5bfbe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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10 . 若函数
与区间
同时满足:①区间
为
的定义域的子集;②对任意
,存在常数
,使得
成立;则称
是区间
上的有界函数,其中
称为函数
的一个上界.
(1)判断函数
,
是否是
上的有界函数;
(2)已知函数
为奇函数,求函数
在区间
上所有上界构成的集合;
(3)试探究函数
在区间
上是否存在上界
,若存在,求出
的取值范围,若不存在请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84c70a094700bd0e0390b24e0b1b6c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8dd05b66bf393ce3f3994eaa1ca8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/201c01915a6acc7ecba917548514d1b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578178513dd39c148de5b8ded4a01c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fb1d83a2d4c27a34925903bfd23152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf536c11a1130ff0144a34640fe440b.png)
(3)试探究函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3afc1d2b0193f0456493fdd88a8a7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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