解题方法
1 . 已知函数
且
是偶函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47fe0c0dfaadad82c9273d1ac0d55cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.2 | D.4 |
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2 . 某公司为激励创新,计划逐年加大研发资金投入.若该公司2023年全年投入研发资金160万元,在此基础上,每年投入的研发资金比上一年增长10%,则该公司全年投入的研发资金开始超过200万元的年份是( )(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b95aea99758d71162d0dabdc06d5d24.png)
A.2024年 | B.2025年 | C.2026年 | D.2027年 |
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解题方法
3 . 一般地,若函数
的定义域为
,值域为
,则称
为函数
的“
倍伴随区间”,另函数
的定义域为
,值域也为
,则称
为
的“伴随区间”,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62e0a7ec931569bcc9c911f2c249d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.若![]() ![]() ![]() |
B.函数![]() |
C.若函数![]() ![]() |
D.二次函数![]() |
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2024-03-25更新
|
323次组卷
|
2卷引用:湖北省新高考联考协作体2023-2024学年高一下学期2月收心考试数学试卷
4 . 求函数
.
(1)定义域和值域;
(2)增区间和减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f4717b988d3a47added61c80fcffd2.png)
(1)定义域和值域;
(2)增区间和减区间.
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解题方法
5 . 函数
的零点有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37e66b25020580240f9931459abce21.png)
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6 . 已知函数
的部分图象如图所示,则函数
的解析式可能是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/512a20c5-95b7-42da-83dd-6a22c9e3c725.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/512a20c5-95b7-42da-83dd-6a22c9e3c725.png?resizew=166)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 定义在
上的函数
,如果满足:对任意
,存在常数
,
恒成立,则称
是
上的有界函数,其中
称为
的上界.
(1)若
在
上是以2为上界的有界函数,求
的取值范围;
(2)已知
,
为正整数,是否存在整数
,使得对
,不等式
恒成立?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea232de27d21a2646fd4520ea0726bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7836ea275ce308c287cf62388c6ac57a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e58768fc0df02f60aa54d00fe063c52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4701eeb94f13293a0bc0f919674a592e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72620c113a6fe83273803a9ac24baa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab057c66354ff90f62f53903fcf88eb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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8 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff77703d314c5c13d7566bc08d94d43e.png)
(2)已知
,求
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff77703d314c5c13d7566bc08d94d43e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878ca3b673712990116810618763a756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4529f50e8aa8cac37f0a45a3cdf37e69.png)
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9 . 已知函数
,若实数
满足
,且
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546703ad1b951117aac76a31ef8c91b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8fa6d22b58fbd61c43ee524cb30394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785869573d25ad8fe2cffd37dfcab4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66690777e320210bccc49168c386437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28bf284b45c18f88528ebdcce690857.png)
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10 . 已知幂函数
在
上单调递减,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636cceafd2c0a70db578c6a4b3615cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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