湖北武汉市第十四中学2026-2027学年高一上学期期中考试数学试卷

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数学试卷

学校:___________姓名:___________班级:___________考号:___________

一、单选题(每小题5分,共8小题,共40分)

1.已知集合,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,则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(     )

A. B. C. D.

2.命题“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,”的否定为(     )

A.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, B.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,

C.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, D.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,

3.设,则“”是“”的(     )

A.充分而不必要条件 B.必要而不充分条件

C.充要条件 D.既不充分也不必要条件

4.已知函数是幂函数,则实数的值为(     )

A.或 B.或 C. D.

5.若不等式的解集为,则不等式的解集为(     )

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C.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 D.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

6.心形代表浪漫的爱情,人们用它来向所爱之人表达爱意.如图是一个“心形”图形,这个图形可看作由两个函数的图像构成,则“心形”在轴上方的图像对应的函数解析式可能为(     )

image

A. B. C. D.page number 0

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7.已知,若对于正数,,满足,则的最大值为(     )

A. B. C. D.

8.已知当,表示不超过的最大整数,则称为取整函数,也叫高斯函数,例如,,若定义在上的函数的图象关于轴对称,且当,,则方程的解的和为(     )

A. B. C. D.

二、多选题(本大题共3小题,每小题5分,共15分.全选对得5分,选对但不全得3分,不选或选错得0分)

9.若,则下列不等式恒成立的是(     )

A. B. C. D.

10.已知函数(),下列说法正确的是(     )

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C.eqWmf183GmgAAAAAAAKADgAIBCQAAAAAwXwEACQAAA6QBAAACAJwAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAqADCwAAACYGDwAMAE1hdGhUeXBlAABwABIAAAAmBg8AGgD/////AAAQAAAAwP///6j///9gAwAAKAIAAAUAAAAJAgAAAAIFAAAAFAK8AWwBHAAAAPsCBf7jAAAAAACQAQAAAAEAAgAQU3ltYm9sAHbWuRF2QAAAADjXmgAg5A92iIAVdu4CEHYEAAAALQEAAAkAAAAyCgAAAAABAAAAKAAAAAUAAAAUArwB5AIcAAAA+wIF/uMAAAAAAJABAAAAAQACABBTeW1ib2wAdta5EXZAAAAAONeaACDkD3aIgBV27gIQdgQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAACkAAAAFAAAAFAKgAYIAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAMjTmgAg5A92iIAVdu4CEHYEAAAALQEAAAQAAADwAQEACgAAADIKAAAAAAIAAABmeJoBAAOcAAAAJgYPAC4BQXBwc01GQ0MBAAcBAAAHAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwhEU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgCDZgADAAEDAA8AAQAPAQIAg3gAAAIAligAAgCWKQAAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQB2IQCKAgAACgAGAAAAmZ1mciEAigLuAhB2BAAAAC0BAQAEAAAA8AEAAAMAAAAAAA==是奇函数 D.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的图象关于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对称

11.函数的定义域为,值域为,区域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:,则下列说法正确的是(     )

A.若,则

B.若eqWmf183GmgAAAAAAAIAHgAIBCQAAAAAQWwEACQAAA0cCAAACAKgAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAoAHCwAAACYGDwAMAE1hdGhUeXBlAABwABIAAAAmBg8AGgD/////AAAQAAAAwP///6j///9ABwAAKAIAAAUAAAAJAgAAAAIFAAAAFALCASIAHAAAAPsC8/3jAAAAAACQAQAAAAEAAgAQU3ltYm9sAHbWuRF2QAAAADjXmgAg5A92iIAVdu4CEHYEAAAALQEAAAkAAAAyCgAAAAABAAAAWwAAAAUAAAAUArwBEAQcAAAA+wIF/uMAAAAAAJABAAAAAQACABBTeW1ib2wAdta5EXZAAAAAONeaACDkD3aIgBV27gIQdgQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAACl5AAAFAAAAFAKgAa4AHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAMjTmgAg5A92iIAVdu4CEHYEAAAALQEAAAQAAADwAQEACgAAADIKAAAAAAIAAAAwLLoAAAMFAAAAFAKgAVYGHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAMjTmgAg5A92iIAVdu4CEHYEAAAALQEBAAQAAADwAQAACQAAADIKAAAAAAEAAABCAAADBQAAABQCoAG4AhwAAAD7AoD+AAAAAAAAkAEBAAABAAIAEFN5bWJvbAB21rkRdkAAAADI05oAIOQPdoiAFXbuAhB2BAAAAC0BAAAEAAAA8AEBAAkAAAAyCgAAAAABAAAApSwAAwUAAAAUAqAB+AEcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAdta5EXZAAAAAyNOaACDkD3aIgBV27gIQdgQAAAAtAQEABAAAAPABAAAKAAAAMgoAAAAAAgAAACvN5AIAA6gAAAAmBg8ARQFBcHBzTUZDQwEAHgEAAB4BAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHCERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwEDAAkSAA8AAQAPAQIAiDAAAgCCLAACBIYrACsCBIQeIqUAAgCWWwACAJYpAAACBIaGIs0CAINCAAAAAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCEAAHAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHYhAIoCAAAKAAYAAADHjGZcIQCKAu4CEHYEAAAALQEAAAQAAADwAQEAAwAAAAAA,则

C.若表示一个正方形区域,则该区域的面积为6

D.存在无数个,使得不等式对恒成立

三、填空题(本大题共3小题,每小题5分,共15分)

12.设为实数,,,若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,则实数___________.

13.已知,,且,则的最小值为___________.

14.定义“上凸函数”:设是定义在区间上的函数,且的图象是一条连续不断的曲线,若page number 1

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