信阳市2022—2022学年度高中毕业班第一次调研考试数学(理科).doc

信阳市2022—2022学年度高中毕业班第一次调研考试数学(理科)
of rural drinking water sources, protection of drinking water sources in rurax轴 C 原点 D直线y=x
8. 三个数之间的大小关系是
A. a <c<b B. a <b <c C. b <a<c D. b <c<a
9. 先将函数的周期变为原来的2倍,再将所得函数的图象向右平移个单位,那么所得函数图象的解析式为
A. B.
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
C. D.
10. 假设函数在上有零点，那么m的取值范围为
A [1,] B[-1,2] C. [-1,2+] D.[1,3]
11. 如果关于x的方程有且仅有一个正实数解,那么实数a的取值范围是
A. (,0] B.
C. [O,) D.
12. 函数是定k在R上的增函数，函数的图象关于点〔1，0)，不等式恒成立,那么当X >3时，的取值范围是
A. (3,7) B.(9,25) C. (13,49) D.(9,49)
第II卷非选择题
二、填空题:本大题共4小题,每题5分,总分值20分.
13. 幂函数的图象过点(3，〕，那么的解析式是_________.
14. ，那么等于_________.
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
15. 函数满足对任意的都有成立，那么=_________
16. 以下说法：
①“，使〞的否认是“，使；
②函数的最小正周期是；
③