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解题方法
1 . 给出以下四个结论,其中正确结论是( )
A.若函数![]() ![]() ![]() ![]() |
B.函数![]() |
C.若![]() ![]() ![]() |
D.设![]() ![]() ![]() ![]() |
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2023-09-07更新
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646次组卷
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2卷引用:辽宁省大连市第八中学2021-2022学年高一上学期12月月考数学试题
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2 . 设函数
,则不等式
的解集为______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b4006d41463918842ba82ad590815d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fa33a861657deb19a33193823d114c.png)
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3 . 下列说法正确的有( )个.
①若角
与角
为锐角
的两个内角,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b48895daa87c296d961bfd0d4fd386.png)
②函数
的图像的对称中心为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b30178cf2a252263a371af19101fa6b.png)
③周长为8,面积为3的扇形所对的圆心角为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150c57a06c477de15520c289e2adabf1.png)
④第一象限角不都是小于
的角,但小于
的角都是第一象限角
⑤若
,且
,则
①若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b48895daa87c296d961bfd0d4fd386.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d3744aa1b193855b1e8c79c3acf78a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b30178cf2a252263a371af19101fa6b.png)
③周长为8,面积为3的扇形所对的圆心角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150c57a06c477de15520c289e2adabf1.png)
④第一象限角不都是小于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140d770d2bcf921a2bc29267fa69aafc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06f37bd322af6e273ceb66bac49a716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9604d031a1bad6472ba6b199576b5f.png)
A.1 | B.2 | C.3 | D.4 |
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4 . 下列大小关系中正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 已知函数
(1)填写下表,并用“五点法”画出
的图象.
(2)若函数
满足不等式
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11147d3f379cb51f74da077ed2785ee.png)
(1)填写下表,并用“五点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![]() | ![]() | ![]() | ||||
x | 0 | ![]() | ||||
![]() |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/b2c7843f-4dfd-4afb-9549-914186f51fd9.png?resizew=333)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bc978a69f65368d8da9700b526baee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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6 . 函数
的单调递增区间为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab06099f6662c3b33bba197a1ebf87f1.png)
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解题方法
7 . 已知向量
,函数
的最小值为
.
(1)求
;
(2)函数
为定义在R上的增函数,且对任意的
都满足
,问:是否存在这样的实数
,使不等式
对所有
恒成立,若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63996ef5f668d28f3fc44e52a8b7428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86209d01c29f121969e4f15198ffeb94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d9bfb77844faa1f83b0d5d7edf0a33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5a4f55ec83e3b92fecaaf0360d0988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb402cb4292fb73c9a377376349bfef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-08-18更新
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691次组卷
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4卷引用:辽宁省沈阳市第二十中学2020-2021学年高一下学期4月月考数学试题
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8 . (1)已知
,求
的值.
(2)已知
,
.求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/753532ffc63255c20855ea438b4c534a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0973708d0d63d60734be375c825140e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d99c669e51585b00d9347c5945b848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeae4e4940d654f083f1073ba872504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d302fe58b7f7928bfb443bdf008ac4f.png)
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2023-08-18更新
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685次组卷
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2卷引用:辽宁省沈阳市第二十中学2020-2021学年高一下学期4月月考数学试题
9 . 函数
的图象向左平移
个单位长度后得到函数
的图象,且与
的图象关于y轴对称,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2204c4b459f0c1f95f3f0726b91dc89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
10 . 设函数
.
(1)当
时,用
表示
的最大值
;
(2)问
取何值时,方程
在
上有解?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e47531fdba8c32e5e88f800ae9db676b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05116b4573cfd112e492d3994ef2b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a239d924a26dbc7f33052c63a20a327a.png)
(2)问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f6053650ea5ba17aad9550ce293536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05116b4573cfd112e492d3994ef2b94.png)
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