1 / 8
文档名称:

高一数学答案.docx

格式:docx   大小:281KB   页数:8页
下载后只包含 1 个 DOCX 格式的文档,没有任何的图纸或源代码,查看文件列表

如果您已付费下载过本站文档,您可以点这里二次下载

文档介绍:2022年湖北省新高考联考协作体高一下学期3月考试
高一数学试卷答案
选择题
1
2
3
4
5
6
7
8
9
10
11
12
D
B
C
D
A
C
A
C
ACD
ABC
B第 1 页 共 8 页

2022年湖北省新高考联考协作体高一下学期3月考试
高一数学试卷答案
选择题
1
2
3
4
5
6
7
8
9
10
11
12
D
B
C
D
A
C
A
C
ACD
ABC
BD
BCD
二、填空题
13. 14. 15. 16.
12题解析:易得图象如右图示:
由题设:令,则方程有2个不同的实根,则,可得或,
若,则或,
令,
∴或(舍),
∴综上,可得.
故选:BCD
16题解析:函数,所以当时,,
所以时,得取遍所有大于1的数,故其指数得取遍所有大于0的数.
因为,,
当时,不成立;
当时,其开口向下,有最大值,无法去到正无穷,舍去;
当时,其开口向上,对称轴大于0,故需对称轴对应的值小于等于0,故有:且
,综上所述,实数的取值范围是.
故答案为:.
第 2 页 共 8 页

17.解:(1) ………………4分
(2)
当时, ………………6分
当时, ····························9分
综上所述: ………………10分
18.(1)解: ,∴····················2
∵在第二象限,∴,,
·················································5
·········································································6
解:,
∴························································8

第 3 页 共 8 页

······················································9
.·································12
(1),···············4··················································6
(2)当时,在处取得最大利润为700万元;·················8
当时,在处取得最大利润为1200万元.············································································11
当产量为70万盒时,该企业在生产中所获得利润最大.·····························12
(1)由题意可知,,解得····························1
则··········································

分享好友

预览全文

高一数学答案.docx

上传人:和合 8/7/2022 文件大小:281 KB

下载得到文件列表

高一数学答案.docx

相关文档