名校
1 . (1)已知函数
,求函数的值域.
(2)已知函数
,
,求函数的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7130975c0f316cc7411013b11b4fc4cb.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b815f215940351f7298c6885bfbaaef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5caabda288fc01cc168938846eec5d2.png)
您最近一年使用:0次
名校
2 . (1)已知
,求
的最大值.
(2)已知
且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee6696dee035519e1ba7fb78269830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53b0009e24d67b65d24becf24e5bf2d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdbff19e3eead8ab58044a0aea36ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4d4479034847ff0664c91be6f0fc98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 某保险公司决定每月给推销员确定个具体的销售目标,对推销员实行目标管理.销售目标确定的适当与否,直接影响公司的经济效益和推销员的工作积极性,为此,该公司当月随机抽取了50位推销员上个月的月销售额(单位:万元),绘制成如图所示的频率分布直方图.
求:
(1)根据图中数据,求出月销售额在
小组内的频率,并根据直方图估计,月销售目标定为多少万元时,能够使
的推销员完成任务.
(2)该公司决定从月销售额为
和
的两个小组中,选取2位推销员介绍销售经验,求选出的推销员来自不同小组的概率.
(3)第一组
中推销员的销售金额的平均数为13,方差1.96,第七组
中推销员的销售金额的平均数为25,方差3.16,求这两组中所有推销员的销售金额的平均数,方差.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/0c606bf3-f093-4635-9b4d-2a6be0a38ab5.png?resizew=286)
求:
(1)根据图中数据,求出月销售额在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4246786488f3a27870169fc13e08faa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d9d0d66a7f8fc34082cf8c45f64839.png)
(2)该公司决定从月销售额为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8584bf759f1a3131d042777bfaf158ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354f90836c8141644e39ee3164813ffd.png)
(3)第一组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b172c246eb08e601272a1d9142ee64fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31cf703dcaff0d9b4706f8e2f2712fd3.png)
您最近一年使用:0次
名校
4 . 已知函数
为奇函数.
(1)求实数a的值;
(2)设函数
,若对任意的
,总存在
,使得
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18427b4e912bb1037378e3d8a49ce41d.png)
(1)求实数a的值;
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75fefc4e600a5331b9c34f4bf569d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8a22408b9f93493f54bd6a94b57d9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c58890dbb803accb289676f61d0c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3bb43da17137e6c50874a8086df278.png)
您最近一年使用:0次
2024-03-25更新
|
516次组卷
|
2卷引用:黑龙江省大庆市实验中学实验二部2023-2024学年高一下学期开学考试数学试题
名校
解题方法
5 . 已知函数
(
且
)是偶函数.
(1)求实数
的值;
(2)若
,且对于
,不等式
恒成立,求整数
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf40989bbaeef20dbeddb12d3e584cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b90e68fcbb10f462ff9636a681cd5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0731f0ca01770e490f63acbad60912da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-03-24更新
|
412次组卷
|
2卷引用:河南省新高中创新联盟TOP二十名校2023-2024学年高一下学期2月调研考试数学试题
名校
6 . 立定跳远是高中生体能测试的项目之一.对某同学在11月和12月立定跳远练习成绩(单位:米)统计如下:
11月 | 2.30 | 2.25 | 2.34 | 2.30 | 2.22 | 2.36 | 2.38 | 2.33 |
12月 | 2.40 | 2.33 | 2.38 | 2.43 | 2.41 | 2.44 | 2.40 | 2.41 |
(1)设11月和12月立定跳远练习成绩的平均数分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848dac3d6db7c23c58f399970b3f9b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0da8a9d862e0005c44a8cb8fd262bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbc29b47b83fdc5368770b7b1acb439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1295cbd36fdc55a55b549aa2dd5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848dac3d6db7c23c58f399970b3f9b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0da8a9d862e0005c44a8cb8fd262bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbc29b47b83fdc5368770b7b1acb439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1295cbd36fdc55a55b549aa2dd5887.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202ab63b91142af0fb5eba9ea901f930.png)
您最近一年使用:0次
解题方法
7 . 已知.
(1)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901d78ddfff74884866bc5067476a676.png)
(2)若将角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec0ffb548604f2055fa27127266349.png)
您最近一年使用:0次
解题方法
8 . 已知函数
.
(1)若
,解不等式
;
(2)若关于
的方程
有解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983626943d7d32362f7fb2ddc1cb1f51.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b624d88827e92e12bc0a8f1067cbe72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa757c82f454fe33f592264a7e4d08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知
,
,
,
,求
与
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14390e9b6b44472bdc7a131133ab39b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cd14dfc0024459f9d8e594c95c5106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1812885b1d0ff678b834db0a7d268e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3fb287f30165e558dd5ac66d862ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985a67e5e24e049558cd5289b6ee9ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
,
.
(1)若存在
,对任意
,
,求实数
的取值范围;
(2)若函数
,求函数
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fd573ad312da3c862627718e77575b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
(1)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf4f868ee05af59275ace26167ed5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b55514ac04cb0b784c5e6e7d7e2f9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d07623327be6016313b677059cd77d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fad5c36c01dd889f2e4a496df4d64b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
您最近一年使用:0次