名校
1 . 已知函数
=
其中
且
.
(1)求函数
的定义域;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137b2487d040ee0bb02787e7ed0f9e9a.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/6cfcc567b95a320abcb25509923cd001.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2019-12-29更新
|
252次组卷
|
2卷引用:黑龙江省齐齐哈尔市八中2019-2020学年高一上学期期中数学试题
2 . 已知函数
的定义域为M.
(1)求M;
(2)当x∈M时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7201a593fcc24e9e225a8ce45f28cd4.png)
(1)求M;
(2)当x∈M时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304b6d98fbf8ad27e5712d11a39f2888.png)
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3 . 设函数
,
.
(1)求
的定义域;
(2)
是否存在最大值或最小值?如果存在,请把它求出来;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5526f7f04b4fed3bd75fff8430dc56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad58ed5a48295f7f18a5225ba8d587b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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4 . 已知函数
的定义域为集合
,函数
的定义域为集合
.
(1)当
时,求
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49bc47d7cf5bde5364d3f69fbba00d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3000e73285bdee2b1ef8f162d314cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cfc27d13b4d07ade4729b481cc95735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7803b5ddd8f762cd998f35aee74410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知函数
,
.
(1)若函数
的定义域为R求实数
的取值范围;
(2)若函数
的值域为R求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f51b1578cd7e7aaa49c896c1e2b14d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-08-16更新
|
2876次组卷
|
2卷引用:智能测评与辅导[理]-函数的概念与图象
名校
解题方法
6 . 已知
,命题
关于
的不等式
的解集是
,命题
函数
的定义域为
,如果
是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810949b76573ccd9d43af3815299d443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755f08f72660a91e1618c1b96f73b5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d143c3c1a8f90a1e24ace474369e244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f94e72c64984afcaf04d4b2f411b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 函数
.
(1)求函数
的定义域;
(2)若
,函数
,是否存在实数
使得
的最小值为
,若存在,求
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6035cee369b9a91b6b7ab10a2b7e1178.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674cea3619b834764e06c5e6e5ac0751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
8 . (1)函数f(x)=log3(-x2+6x-8)的定义域为集合A,求集合A;
(2)函数g
,求g(x)的值域.
(2)函数g
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97481c9498a8556302870dad56096c39.png)
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名校
9 . 记函数
的定义域为M,
的定义域为N.
(1)求M;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61df420b9cdacf67f3be8bb17db8f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145962b4e3d5b22f5584199b808b935.png)
(1)求M;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2333f966f6ec29f0661f93d99b055cd5.png)
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名校
10 . 已知函数
,
(1)求函数
的定义域;
(2)判断函数
的奇偶性,并予以证明.
(3)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf3e03fcdf2cec031f767053b3496ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc528054b8fcee1fc08e5c48561f76ce.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b7c2420c387be8882df4359ac10b86.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b7c2420c387be8882df4359ac10b86.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d02059613da3797ae406925b6ee5b3c.png)
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