已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96618580bde57ec1ec269f8d50e76781.png)
(1)当
时,求
的最大值和最小值.
(2)若不等式
在
上有解,求实数m的取值范围,
(3)已知
,若将
的图像向左平移
单位长度,再将所得各点的横坐标伸长到原来的2倍(纵坐标不变),最后把所得各点的纵坐标缩短到原来的一半(横坐标不变)所得的函数在
上有唯一的零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96618580bde57ec1ec269f8d50e76781.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b42048481d02f1112bbcd877790334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fce0b7ef89dc5ea77542985ee152ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b42048481d02f1112bbcd877790334.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/931959701b42383af101a38e8ec186e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aae37cac299cbe3ccac181b2175287f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
更新时间:2022-03-21 12:00:51
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解答题-问答题
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适中
(0.65)
【推荐1】已知
中,
,
,
.
(1)求边长
的长;
(2)若点
在以
为直径的圆上,且点
不在直线
同一侧,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4fc2d383876afe5be1103352571805b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6baf49925a5bcb359b542d45067c81.png)
(1)求边长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d240ea67c239b0d9213448c11cba18c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
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解答题-作图题
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)完成下面的表格,并在指定坐标系内用“五点法”画出
的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/46e23c98-64cc-4978-b0ff-d6a885911f85.png?resizew=274)
(2)求
的对称轴方程;
(3)当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5591d83fb599c064b1c1629bc0bf3ea.png)
(1)完成下面的表格,并在指定坐标系内用“五点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![]() | ![]() | ![]() | ![]() | ![]() | |
![]() | ![]() | ![]() | |||
![]() | 1 | ![]() | ![]() |
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/46e23c98-64cc-4978-b0ff-d6a885911f85.png?resizew=274)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175e5d196f842b7046309b3b4bed7778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐1】将函数
图象上所有点向右平移
个单位长度,然后横坐标缩短为原来的
(纵坐标不变),得到函数
的图象.
(1)求函数
的解析式及单调递增区间;
(2)在锐角
中,内角
的对边分别为
,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6701e02c0045f484f370875a6e26face.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c247e6098fd766c9a685004f911b36a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知函数f(x)=
sin(ωx+φ)-cos(ωx+φ)(0<φ<π,ω>0)为偶函数,且函数y=f(x)图象的两相邻对称轴间的距离为
.
(1)求f
的值;
(2)求函数y=f(x)+f
的最大值及对应的x的值.
![](https://img.xkw.com/dksih/QBM/2018/12/13/2095915243773952/2100050911117312/STEM/c109de2b07d646dca90238f00a63815c.png?resizew=18)
![](https://img.xkw.com/dksih/QBM/2018/12/13/2095915243773952/2100050911117312/STEM/e651f206f4564e70bc45b43b4b0d09ee.png?resizew=15)
(1)求f
![](https://img.xkw.com/dksih/QBM/2018/12/13/2095915243773952/2100050911117312/STEM/cb201bbb20074fa8a74ab2e28e9569ec.png?resizew=26)
(2)求函数y=f(x)+f
![](https://img.xkw.com/dksih/QBM/2018/12/13/2095915243773952/2100050911117312/STEM/3e9b99d79b0c4d2589b93d6ecfc827f5.png?resizew=47)
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解答题-问答题
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适中
(0.65)
名校
【推荐3】某同学用“五点法”画函数
在某一个周期内的图象时,列表并填入了部分数据,如下表:
(1)求出实数m,n,p的值;
(2)求出函数
的解析式;
(3)将
图象向左平移
个单位,得到
的图象.若
为偶函数,求t的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee089fd5a0e1c3a6f3a1ea920a6f53eb.png)
![]() | 0 | ![]() | ![]() | ![]() | ![]() |
x | m | ![]() | n | ![]() | p |
![]() | 1 | 6 | 1 | ![]() | 1 |
(2)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf4b43b6792b9ae78a1c8cae4e60524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐1】已知向量
,函数
,且
的图象经过点
和点
.
(1)求
的解析式;
(2)将函数
图象上所有点的横坐标伸长到原来的2倍,再把所得曲线向上平移
个单位长度,得到曲线
,已知函数
满足
,若
在区间
上单调递增,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3450f590757ca056c121bc28e7241aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1525aee9019a25cf71dc6054ec1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d10aa828c2d51628684c65aa78c0177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05486d92fe6c6b01b7c18b63b3b7580.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e054140fd0d809ac3a7d540ff5fae385.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672ad4cad87168bae5ee6fa6f4387368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
【推荐2】.已知在△ABC中,内角A,B,C所对的边长分别为a,b,c,且tan A+tan B=
.
(1)求角B的大小;
(2)若
,求sinA·sinC的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c35c9b633490709d0eb492c6c0c311.png)
(1)求角B的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67bcf770d5fc04121750b7b4939711bf.png)
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