6.求解析式(构造方程组法)-高中数学全部题型大总结(全国版)

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6.求解析式(构造方程组法)

1.(22-23高三上·江西·期中)已知函数eqId09f86f37ec8e15846bd731ab4fcdbacd的定义域为eqIdd562dc22dfb3b81d0c3f88b54d063c2f,且满足eqId9388f5454892803d44bc858249adc442,则eqId09f86f37ec8e15846bd731ab4fcdbacd的最小值为(    )

A.2 B.3 C.4 D.eqId95bacae35b6e16a0a33c2bdc6bc07df7

2.(22-23高一上·江苏宿迁·期末)已知eqId09f86f37ec8e15846bd731ab4fcdbacd,eqId4669810732b633b60dbeaf0bf57204f6分别是定义在eqIda43b2faa4f81f32d94612dce724e772b上的偶函数和奇函数,且满足eqId563d34c1f9b294a226c6a007d85bd1ef.若eqIdcaca1cdeb7a4f3003478c8565bf5ee25恒成立,则实数eqId0a6936d370d6a238a608ca56f87198de的取值范围为(    )

A.eqId9b4280adea02588850b0a1af4844fcea B.eqIdbe381da62d4a042476aa11dbd5824e8d

C.eqIde5d6243e93c41978871cb23d8e66148d D.eqIded6d804ef44bfc64f824b0ccef71765e

3.(2023·全国·模拟预测)已知函数eqId09f86f37ec8e15846bd731ab4fcdbacd满足eqId20ef9783dfe93b3605ed3a53064fed0f,若eqId3bad5c8a4e4bad474651c0a61de820ac,eqId2259e91a333ecf7900f6289f1fc22759,则m的取值范围为(    )

A.eqId5549d660482c6f9100179509240f76aa B.eqId2cf079987473dde1965d8e3a932d4a3e

C.eqIdcc11b7d10c914d51635e683f5c438224 D.eqIdaba7814df5465dace9f6fdb38e3bc8b4

4.(20-21高一上·浙江台州·阶段练习)已知函数eqIdb0d22e54de9ea443fcb474d45a6e20dc是定义在R上的函数,其中是奇函数,是偶函数,且eqId3a639fb586b6607c886f41f27fa986be,若对于任意eqId2adb2f27ddb3d3acf4eda4f1a5e47e9d,都有eqId56020bf0adbb0fe0e378a58f663929e9,则实数eqId0a6936d370d6a238a608ca56f87198de的取值范围是(    )

A.eqId4600945f804a614150662a68de1c38e7 B. C.eqId3fa16f48d27068d2bf6313af3cb44515 D.eqId001364ae37169e0dcbe4a678e5801943

5.(24-25高三上·湖南·开学考试)已知定义在eqIda43b2faa4f81f32d94612dce724e772b上的函数eqId09f86f37ec8e15846bd731ab4fcdbacd满足eqId455b814bd513336fd7284daa553df488,则曲线eqId942c2141d01bde6b48210c56a17fc75e在点eqId9c9f8845aa2b51c460f2d798c9f62fa3处的切线方程为

A.eqIdb1d7df623642896d720d6956ed1f0ff6 B.eqIdf6b3ba8cc918cbc35312705dd2647bc2

C.eqIdc608def11fa0e2b34f05592ef1d11fd8 D.eqIde235d7dd12f948f5ffb2e5afddc95612

6.(22-23高一上·天津南开·阶段练习)已知eqIdf8fd1e808e015f4cb43d2e3a0529ac6a是定义域为eqId2628e2dd7a988cc80530e739c22b2280的函数,且eqId09f86f37ec8e15846bd731ab4fcdbacd是奇page number 0

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函数,eqId4669810732b633b60dbeaf0bf57204f6是偶函数,满足eqId7de814435049550fb13ff8ec6d283f56,若对任意的eqId2adb2f27ddb3d3acf4eda4f1a5e47e9d,都有eqId30a4dd352016eb49a7096698699285fc成立,则实数eqId0a6936d370d6a238a608ca56f87198de的取值范围是(    )

A.eqIdafcb5235151b845fbb8f4127ee693e8e B.eqId43d62c06a8026cf5309b27427fe51fc7

C.eqId0f9ba14387a35b513a3584baf0cbbd34 D.eqId6431c6471a1bfb5d9fa6aa85b50106f5

7.(2024·四川德阳·模拟预测)已知函数eqIdd479a86a1711709b2d100fe4daf3e7cf的定义域为eqIdcf3ed15aa3dcc4211fb520b5b942c989,且eqId0038228fa4f3d15277a1fb0cc148ae5f,则eqId23ed147f35f7f4988c85e535061f1f35(    )

A.0 B.1 C.2024 D.2025

8.(24-25高三上·宁夏银川·阶段练习)已知eqId3c0ed188d083966baaae94e6b86064f9是定义域为R的函数,且eqId4fe7d5809da02c15a43a0e9a898b9086是奇函数,eqIdbe1ce3f01e2b6364f9a9fdaf197d5e29是偶函数,满足eqIdc0dec2f7aa4eb98c9804ecc89057f73d,若对任意的eqId2adb2f27ddb3d3acf4eda4f1a5e47e9d,都有eqId86b66823de36846d7659d3940925dd7e成立,则实数eqId0a6936d370d6a238a608ca56f87198de的取值范围是(    )

A.eqIdf35e2fa5645c68b5fefec414753a6f09 B.eqId956b00add9b984e8e2bb74948c4497cd C.eqId1d32e67534a631ad84f4be4aa90cffae D.eqId95061b034154b8acde6da9e289a50d3d

9.(2022·广东茂名·二模)已知函数,eqId74314814cdc6fb803abb4692458af131分别是定义在R上的偶函数和奇函数,且eqId8e91039ca7f827eb00d923729edbc388,若函数eqId42d3cfd4b463ea5c5b9c630fb6a85241有唯一零点,则正实数eqIddf64046e91b047037f19e4032e3b6de3的值为(    )

A.eqId4dac452fbb5ef6dd653e7fbbef639484 B.eqIdf89eef3148f2d4d09379767b4af69132 C.1 D.2

10.(21-22高一上·福建莆田·期中)若函数eqId09f86f37ec8e15846bd731ab4fcdbacd满足eqId381f635c72defeeca3b965494343c3f5,则eqIdb0632bc67a48ee16de53fe7e19ec3328(    )

A.eqIdf30d314a642667fef559032264647366 B.eqIdbf31876698721a199c7c53c6b320aa86 C.eqIda391005600bdd69c96750589f9adb048 D.eqIdf89eef3148f2d4d09379767b4af69132

11.(23-24高一上·江苏南通·阶段练习)已知函数eqIde79446191602c1d2f941728ba8591b6e的定义域为eqIda43b2faa4f81f32d94612dce724e772b,eqId09f86f37ec8e15846bd731ab4fcdbacd可以表示为一个偶函数eqId4669810732b633b60dbeaf0bf57204f6和一个奇函数eqIda813b5adbf5c7082561237894ba6d599之和,若不等式eqIddde54b3785697979d9b0fec6649cbe98对任意非零实数eqId81dea63b8ce3e51adf66cf7b9982a248恒成立,则实数eqIdf0a532e15e232cb4b99a8d4d07c89575的取值范围为(    )

A.eqIdb57f3667ce2ba08aaff676fdb400431c B.eqId6fcd3f493eeab5ff63e57a8c9a8bd325 C.eqId9e983bd34f7005fe90b0fd6be0ec49adpage number 1

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 D.eqIddfa5a0e29564db7f7e403c0e8ab27a96

12.(22-23高三上·黑龙江哈尔滨·期末)已知eqId09f86f37ec8e15846bd731ab4fcdbacd和eqId4669810732b633b60dbeaf0bf57204f6分别是定义在eqIdcf3ed15aa3dcc4211fb520b5b942c989上的偶函数和奇函数,若eqIddf412ae6aa217d7eaa8dd3b88faa9b04,则eqId09f86f37ec8e15846bd731ab4fcdbacd的最小值为(    )

A.0 B.1 C.2 D.eqId2967337e3fcb228dded64ab0c41a17e0

13.(22-23高一下·湖南邵阳·开学考试)已知偶函数eqId09f86f37ec8e15846bd731ab4fcdbacd和奇函数eqId4669810732b633b60dbeaf0bf57204f6的定义域均为eqIda43b2faa4f81f32d94612dce724e772b,且eqId059450c4f44ca75597f1ee5c8f553b77,则(    )

A.eqId2562e019af829075eed780cbf7e656bf B.eqId8c191d27a4d0c2b6eda63adb24a70fb3

C.eqId09f86f37ec8e15846bd731ab4fcdbacd的最小值为2 D.eqId4669810732b633b60dbeaf0bf57204f6是减函数

14.(2024·湖南·模拟预测)已知函数eqId09f86f37ec8e15846bd731ab4fcdbacd是定义域为eqIda43b2faa4f81f32d94612dce724e772b的偶函数,eqId4669810732b633b60dbeaf0bf57204f6是定义域为eqIda43b2faa4f81f32d94612dce724e772b的奇函数,且eqId007a63fd8e3f06e2bd1f47f32c3b8ec8.函数eqId7ac128b80583edf170f30fb921a8d4b3在eqId5ed2f490aac02631c2ed9e6b76354a49上的最小值为eqId8eed5ece335b63af168c7c36d2121947,则下列结论正确的是(    )

A.eqId98348a6484adcce636bb7220a69d8678 B.eqId4669810732b633b60dbeaf0bf57204f6在实数集eqIda43b2faa4f81f32d94612dce724e772b单调递减

C.eqIdd8a3cc8c48bf54ec8252e5dce6867754 D.eqIdd39cd00f9987db59fff771bb10e78bf6或eqId40e93941f67a248bdbedb285b4e40500

15.(24-25高一上·广东河源·阶段练习)下列说法正确的是(   )

A.若eqId09f86f37ec8e15846bd731ab4fcdbacd的定义域为eqIde4ca651bfc89628a3b05c6e87ce5d6f0,则eqId9b92ed9c28b600f6632dbc1f9fb6d5b7的定义域为eqIdb2c7b74fd862d7e3f35e40ae1f626c4c

B.eqIdb4ad484079f5100a640e5c94b7294fdb和eqId4306fb6d5419322b4b7b9140e06e43a0表示同一个函数

C.函数eqId74a8c886d778111eff39f0c1cf230b25的值域为eqIda4e2bebde16ba7f1bec5940ecc4fa563

D.函数eqId09f86f37ec8e15846bd731ab4fcdbacd满足eqIdc464bc35086bc86afa410c6400bd7114,则eqId490ee5ecedaee489e81624c2e482858c

16.(2022·辽宁沈阳·三模)已知eqIdf8fd1e808e015f4cb43d2e3a0529ac6a分别是定义在R上的奇函数和偶函数,且eqId3fd07b3ca99957ae4b386e7f43c1fc27,则下列说法正确的有(    )

A.eqId4bc2b7be871fef904c94ef6360ee32bb B.eqId4669810732b633b60dbeaf0bf57204f6在eqId9e11f4ca0e7ace69f92130d0525bcdb3上单调递减

C.eqIdf0dccddaf62f95fe1e3a08e2c0a26f70关于直线eqId882874a051e23a8dd72bb83e687935f6对称 D.eqId4669810732b633b60dbeaf0bf57204f6的最小值为1

17.(2024·全国·模拟预测)已知eqId4fe7d5809da02c15a43a0e9a898b9086和eqIdbe1ce3f01e2b6364f9a9fdaf197d5e29分别是定义在eqIda43b2faa4f81f32d94612dce724e772b上的奇函数和偶函数,且page number 2

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