解题方法
1 . 已知函数
是定义在
上的偶函数.
(1)求实数
的值;
(2)请问是否存在正数
,使得当
时,函数
的值域为
,若存在这样的正数
,请求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20702169dacaf00486c2f69c0abb47d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)请问是否存在正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a56806c9bf7927769af420fdabe96cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119b20f27ee885c82edf447d24cc0cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
您最近一年使用:0次
2022高一上·全国·专题练习
2 . 求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4d5c534acb9f7ee4c8ca41d1390531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d61ac750b3c0f0d23f029c51ef1dda.png)
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
3 . 已知函数
的定义域为R,且对任意的
均有
,且对任意的
,都有
,试判断函数
在定义域上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
4 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0102307417e175900ac2baa58c0eaf9.png)
的最大值
,最小值为
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0102307417e175900ac2baa58c0eaf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a749325c915b69556795262f1850644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed83485b04357536c07c06cdd74f149.png)
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
5 . 判断下面函数的奇偶性:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ec387b0486c9f0894886c57015a473.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f1a326456ba10c718efdcf7d525e6a.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e405aeaec7d7b6ebd31ef4595757738b.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ec387b0486c9f0894886c57015a473.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f1a326456ba10c718efdcf7d525e6a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e405aeaec7d7b6ebd31ef4595757738b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7413078da0b6120115ff8c19f582603a.png)
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
6 . 判断下列各函数是否具有奇偶性
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d295a39a651ff4b182c792f746ebe7.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10103111f02bf84e12956a5c282a4ec1.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686810dd2089a4a3a772b8a2546dfb37.png)
(4)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3df1b38fdab64521c3e0888876fa387.png)
(6)
;
(7)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990387f736ce73715cb41868664db7da.png)
(8)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d295a39a651ff4b182c792f746ebe7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10103111f02bf84e12956a5c282a4ec1.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686810dd2089a4a3a772b8a2546dfb37.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3df1b38fdab64521c3e0888876fa387.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ac4cdc066c910fca5966f968d3111a.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990387f736ce73715cb41868664db7da.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9117f2d12eb2294ddf3d2e33b52c8fdc.png)
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
7 . 已知
定义域为R,对任意
都有
,且
当
时,
.试判断
的单调性,并证明;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dbbd3bae5d94c535e60994ce732fe77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad701d101ff4b618bbc1f9701762886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571fa0874ecf5b995793b7c1501328e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a039b83b7784132b820a32c9894a2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
8 . 已知
定义域为R,对任意
都有
,且当
时,
.试判断
的单调性,并证明;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43bd363a819f262f6932c06f9c55d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33ac9899f3944ebd15335ceb5572e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d0cd47609b9d1865dfff4979161cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
9 . 已知函数
的定义域为
,判断
在
上的单调性,并用定义证明;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109958ba34019707c0fa28246d43a32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e354f44c5841806fdc363073abdd052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e354f44c5841806fdc363073abdd052.png)
您最近一年使用:0次
解题方法
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5492182a37d89038c162b06021ca7dd2.png)
(1)求
的定义域,并判断其奇偶性;
(2)判断函数
在
上的单调性,并用单调性的定义加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5492182a37d89038c162b06021ca7dd2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
您最近一年使用:0次