河南省驻马店市新蔡县第一高级中学2024-2025学年高二下学期5月月考数学试题

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新蔡县第一高级中学2024-2025学年高二下学期5月份月考数学试题

一、单选题

1.如图是函数eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f及其导函数eqId090a91e4f3c8930674f98a9fa527709b在同一坐标系中的图象,则图象正确的为(   )

A.@@@69803a16-9c61-4721-92fa-8c4271ab5978B.@@@2ac98cee-b833-48ca-bb00-f0eafb9021ceC.@@@7021e6f8-b14a-435b-9744-54468e061e09 D.@@@6fd3dab9-2357-434f-9a3e-ebfa4a01433e

2.已知函数eqId8103e1d08ce6732f206f387ce06f1662在区间eqIded6d804ef44bfc64f824b0ccef71765e上单调递减,则实数eqId0a6936d370d6a238a608ca56f87198de的最大值是(   )

A.1 B.eqId041a7c8fc017f596542c5e6ec7d1c40b C.eqIdb4c79122d008950419c9410311c141ac D.eqId59b750bb1be30437fbdb2b4ba37b11f9

3.曲线eqIddbea65099a7445401dfd99ebaf3e54c3在eqId5828873f8369183faf71181cda5b61d2处的切线方程为(   )

A.eqId1d1cb41222d27da278a922db1cd5cb34 B.eqId0985b973395bcd371cd1e26d3fcd1c36

C.eqId1b979396a703fb14715ba39232f5786a D.eqIdbaabfd32465e9e50409413d9c1358279

4.已知函数eqIdeab0d565ab153950324f7239568bb218在eqIda43b2faa4f81f32d94612dce724e772b上无极值,则实数eqId294f5ba74cdf695fc9a8a8e52f421328的取值范围为(    )

A.eqId89bb9392edee26eff7847e94d0033a1b B.eqId9e11f4ca0e7ace69f92130d0525bcdb3 C.eqId7160d93f92089ef36f3dab809d3114b8 D.eqId34f21709ffcbb16699c1ae8a812e9779

5.已知定义在eqIda43b2faa4f81f32d94612dce724e772b上的奇函数eqId09f86f37ec8e15846bd731ab4fcdbacd满足eqId2d0db1a2c0cb5793aaa2a70afa099165,当eqId08115d6d9f876dea921a4d32260ff1fb时,eqIde3347a337fa48a0ca315fd72d751123c,则eqId1c73a98c1b3504e09bfbe0db849b0d24的解集为(    )

A.eqId52e89b9e8ebfb6f912b4da17f78aeba4 B.eqId302d55e6d8f4c571d0d22b13da498ff1 C.eqIded76fad412fcd06971033de4157dcb5d D.eqId88b896b58cdfcacdc1781aa33706581f

6.已知函数eqId57b9634dec79eefd90e34997011a5e9f在eqId9b384412acba251d87902ab928902f16处取得极大值,则实数eqId0a6936d370d6a238a608ca56f87198de的取值为(   )

A.eqId274a9dc37509f01c2606fb3086a46f4f或1 B.2或eqIdacbc6a613224461ade69362d46550474 C.eqId274a9dc37509f01c2606fb3086a46f4f D.1

7.若函数eqId9baad8f302dcea54ca355bb9cef74025有三个零点,则实数eqId0a6936d370d6a238a608ca56f87198de的取值范围为(    )

A.eqId38802b99657fdce6c20f8402c62d68a2 B.eqIdaf9e60c8121d80f540336a9a5d98c63b C.eqId9e10e1c43b86a8cd4360ca9b57232164 D.eqId029bce120ac0b1bbcbe845d3ee6d4004page number 0

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8.已知函数eqId72aa63172fa87e960816095a579150fe,若eqId9538dcfcac95c2e38fa6dd23c6d4fb4d,则实数eqId81dea63b8ce3e51adf66cf7b9982a248的取值范围是(    )

A.eqId49e1fcca51be2f5fea9bb06d0146fa50 B.eqId7160d93f92089ef36f3dab809d3114b8 C.eqId1422e1561be02d6571ef98b424f05f0d D.eqIde5d6243e93c41978871cb23d8e66148d

 

二、多选题

9.我们常用以下方法求形如eqIdedcf84273764c6770b5f5139f49a7729的函数的导数:先两边同取自然对数得:eqId5cdcf994775f32e1cbe98773e73f8b48,再两边同时求导得eqId1d5180350b95b3c866bf30b3b02b164e,即eqId95ebc3b4588c7f5cdfd37aeb1dab2a8aeqId24ac0f620b6d1c3defca705540e385bdeqIdf652affcfb197528e1e622020404ddc5,运用此方法可求得函数eqId58fdb98aed6b7bd001c80860810b67c3在下列哪些区间单调递增(   )

A.eqIda2161b0ef8d9eeb23bb728f2fec04351 B.eqId16f443149c8461f8f547c8b716a9b72c C.eqId20e5f54d0144f86dabdbfd864eb15608 D.eqIdb57517ea1551b3c947117a2d45a17c36

10.对于三次函数eqId012429b7101ba0f84e7b45598ed12db9,给出定义:eqId724340d69477c0ec2418c392b22b1cab是函数eqId09f86f37ec8e15846bd731ab4fcdbacd的导数,eqId10acd6d864583617dd3e71240bf0c857是函数eqId724340d69477c0ec2418c392b22b1cab的导数,若方程eqIddf1fa6ca9eb7cea9131dad36db6a0ac6有实数解eqId79b752f0f189e5d8666daea73e145dff,则称eqId43db00e106c7d08a76a7ba71ca5e63d1为函数eqId09f86f37ec8e15846bd731ab4fcdbacd的“拐点”.某同学经探究发现:任何一个三次函数都有“拐点”;任何一个三次函数都有对称中心,且“拐点”就是对称中心.若函数eqId5a48fe8385926b06f860d6bab1e29605,则下列说法正确的是(   )

A.eqId09f86f37ec8e15846bd731ab4fcdbacd的极大值为eqId648e759fde61007fabadacd81bc6b7bf

B.eqId09f86f37ec8e15846bd731ab4fcdbacd有且仅有2个零点

C.点eqId8373a6fed340b3fe9615eef8bf0692af是曲线eqId942c2141d01bde6b48210c56a17fc75e的对称中心

D.eqId425180bbc7f79a6b1b93ef41b090ef2d

11.对于函数eqId07b26f55c7c29644dfe0277d3e2adf10,下列说法正确的是(   )

A.eqId4fe7d5809da02c15a43a0e9a898b9086在eqId187c21027ff08411931d32c530b64fd3处取得极大值eqId92be82894508d5fd942f8933e736b728 B.eqId4fe7d5809da02c15a43a0e9a898b9086有两个不同的零点

C.eqIde6dda11699beb7066205e8fb6a1dbba9 D.若eqIde6e786c55c8ed6a45e099c8a22f822a8在eqId870ebc2f7aabb028024894568d749934上恒成立,则eqIddf2817c52144d06555e98131b5e657c4

 

三、填空题

12.已知eqId0a6936d370d6a238a608ca56f87198de为常数,函数eqId4104bc40d7d0480b6d1e0b710503ea2d有两个极值点,则实数eqId0a6936d370d6a238a608ca56f87198de的取值范围为          .

13.若函数eqId62d06bde40de4c80b0f5b976331cad6b恰有三个单调区间,则实数eqId2c94bb12cee76221e13f9ef955b0aab1的取值范围为          .

14.若曲线eqId07854693dd2e33f66030d6106eb6e0ee与曲线eqId2eae1b87c23b45ce5e5e74d5b1d73234有三条公切线,则eqIdf0a532e15e232cb4b99a8d4d07c89575的取值范围是          .

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四、解答题

15.已知函数eqId5480658db8e09bc0308e96621041a9f7.

(1)若eqId0b550ee821ee1838384835e81fc34b67,求函数eqId4fe7d5809da02c15a43a0e9a898b9086的最小值;

(2)若函数eqId4fe7d5809da02c15a43a0e9a898b9086的单调递增区间为eqId24c728f94b77941ae0962f6cc9f72da3,求实数eqId0a6936d370d6a238a608ca56f87198de的值.

16.已知函数eqId4741e9a0f00135b53eac75b87a09d7e9.

(1)求函数eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f的单调区间;

(2)若eqId1f22fec5a381ae8aca93d876e54c79de,且函数eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f的极大值和极小值之和为18,求eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f在区间eqIdaeb17ab08027c65dc8c27e17c907d0e6上的最大值.

17.已知函数eqIde6f4e55de4a4b026b1bb53666357e215,eqId5db7564260ff47791cf2cbbb936ed374.

(1)证明:方程eqId86b92b70365c63607daecdc8deb73ecf有唯一解;

(2)若eqIde923547f733061e733d6ecb0fac6c8c0恒成立,求实数eqId0a6936d370d6a238a608ca56f87198de的取值范围;

(3)若函数eqId4669810732b633b60dbeaf0bf57204f6有两个零点,求实数eqId0a6936d370d6a238a608ca56f87198de的取值范围.

18.已知函数eqId968afb7624d6baaf412dc9d9f77008da.

(1)求eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f在点eqId738ad50d37b69c05474dbe30a9400b52处的切线方程;

(2)eqId852d23b9eca8b6c21238be4ee3193376,若eqId18c49ca8562b98657ca9c499093f7233的一条切线eqId0f85fca60a11e1af2bf50138d0e3fe62恰好经过坐标原点,求切线eqId0f85fca60a11e1af2bf50138d0e3fe62的方程.

19.定义在区间eqId8455657dde27aabe6adb7b188e031c11上的函数eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f满足:若对任意eqIddbc1bc250c8a6523a1be394ff48d4a51,且eqId2210f152080d9a68a97c805f5c1cde96,都有eqId42fa57b5052a056d3e6d27837667c3de,则称eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f是eqId8455657dde27aabe6adb7b188e031c11上的“好函数”.

(1)若eqId2fb55d3c3b590d3b51b55348dcb45157是eqId9ba623831ab0ef55efb35923c29824bb上的“好函数”,求eqId0a6936d370d6a238a608ca56f87198de的取值范围.

(2)(i)证明:eqId7fa63e32cc3e319ea6459ad99fe7f8a7是eqId870ebc2f7aabb028024894568d749934上的“好函数”.

(ii)设eqId930bc56406e69b785b37a83d48e36724,证明:eqId7bf051eff1288ca7712caf28e7d0ef7f.

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