解题方法
1 . 在平面直角坐标系
中,定义向量
为函数
的有序相伴向量.
(1)设
,写出函数
的相伴向量
;
(2)若
的有序相伴向量为
,若函数
,与直线
有且仅有2个不同的交点,求实数
的取值范围;
(3)若
的有序相伴向量为
,当函数
在区间
上时值域为
,则称区间
为函数的“和谐区间”.当
时,
是否存在“和谐区间”?若存在,求出
的所有“和谐区间”,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0244991472a5fb68ef2fa4a78d318ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089de6095ee4c3abfc47710b803bc1ce.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1395c3265a235be9f2e43984d43d4e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e723e57753f0a4fe1ef8ca1aee0e2117.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a63fe24b8d54e222ea2b227cefcfbe93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7835a36f3aacaabe81e2e8aa9757f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead6a3dbd03539ef5e0807be57bb1e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07577c06e5c1a262610c28f555027278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc895959e9bc92294dc9dd2263dbf0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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2 . 如图所示,
为山脚两侧共线的三点,在山顶
处测得三点的俯角分别为
. 计划沿直线
开通穿山隧道,请根据表格中的数据,计算:
(1)
的长度
(2)隧道
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7cf3147265d4264b90bd19812d37be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(2)隧道
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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解题方法
3 . 在△ABC中,
,
,点M满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6ee9bcab3b269c0254ab348cb50d70.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e83ac5efc4c142c43c5e7a3e156c407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898168df7e1c080d7c0b99956fe0a90b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6ee9bcab3b269c0254ab348cb50d70.png)
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4 . 已知函数
,
,则方程
的所有根的和等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886872b35c846093733791cddd655e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776c2c753985fcd1d3ceddb341e78c0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad56942439368d413f74e0ab7d9fb23c.png)
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5 . 若函数
,
的图象与直线
围成一个平面图形,则这个封闭图形的面积是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c460da948e74628c70aa5235930fdde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
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6 . 河北定州开元寺塔是世界上现存最高的砖木结构古塔(如图),著名古建专家罗哲文誉其为“中华第一塔”.为了测量开元寺塔的高度,一研究小组选取了与该楼底部O在同一水平面内三个共线的测量基点A,B,C,分别测得塔顶P点的仰角为
,
,
,且
,示意图如图,则该塔高
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07dab3c7e31a8d0916ed50430ab09091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5516a7ad03e49c26d9a6303365664fb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 在
中,
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0015b57b26c145b61049a602f6d864e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知定义域为
的函数
满足:对于任意的
,都有
,则称函数
具有性质
.
(1)若一次函数
具有性质
,且
,求
的解析式;
(2)若函数
(其中
)具有性质
,求
的单调递增区间;
(3)对于(1)(2)中的函数
,求函数
在区间
上的所有零点之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aedc1c8a16e306bcd6e5154f9ed6dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944923bdc502706fd0131ef98b38129d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)若一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c89f2efe1c1b26c4b90b78445be9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d611f4937e4bcd5798741a938081b4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d856c7056cfbd3893125eb9f5e33d134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(3)对于(1)(2)中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067fd5770e2e2d208af78f1d9930abf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c802f1bb80c69ef1b40690433cca889d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c86c76750bd91e755b414d3ec5e44e.png)
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名校
解题方法
9 . 数学上的符号函数可以返回一个整型变量,用来指出参数的正负号,一般用
来表示,其解析式为
.已知函数
,给出下列结论:
①函数
的最小正周期为
;
②函数
的单调递增区间为
;
③函数
的对称中心为
;
④在
上函数
的零点个数为4.
其中正确结论的序号是____________ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165d88ea5812bd14de49f5e3436eefad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a3bd54753e4c1a5fc06b414cc44ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d436e42ddbacbbd0af82f0e4750e54.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d56bab4fdb876bd72d5c9c7a734375.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5760e7c1da0c80f6b8912406b6b75c.png)
④在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb66add53686f989fbbb057652cb6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3077b0cfb8a47439afc656af6cc889ad.png)
其中正确结论的序号是
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10 . 湖北武汉的黄鹤楼是中国古代四大名楼之一,因唐代诗人崔颢的《黄鹤楼》而名扬天下,小张同学打算利用镜面反射法测量黄鹤楼的高度.如图所示,小张将平面镜置于黄鹤楼前的水平地面上,他后退至从镜中正好能看到楼顶的位置,测量出人与镜子的距离
.沿直线将镜子向后移距离
,再次从镜中观测楼顶,并测量出此时人与镜子的距离
.若小张的眼睛距离地面的高度为
,则黄鹤楼的高度
可表示为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ab1256702aef4e9f1a5eb6c12ecc96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e140f01ac055065dbb3149051525786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-06-28更新
|
201次组卷
|
2卷引用:湖北省宜昌市夷陵中学等校2023-2024学年高二下学期5月联合测评数学试题