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单选题 函数
的单减区间是( )
学科：理工高等数学上
时间：2025-11-19 09:29:00
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题目1单选题
函数<img src="https://tihai-oss-cloud.itihey.com/img/43727cb966ad1c03aae96cc3c417c84e.png">在区间<img src="https://tihai-oss-cloud.itihey.com/img/2f0d5268336ace7c484ee229b2d47918.png">内<img src="https://tihai-oss-cloud.itihey.com/img/c9718411f4690fca71d12f48bf243f70.png">,则<img src="https://tihai-oss-cloud.itihey.com/img/43727cb966ad1c03aae96cc3c417c84e.png">在区间<img src="https://tihai-oss-cloud.itihey.com/img/2f0d5268336ace7c484ee229b2d47918.png">内是( )A. 单减凸的B. 单减凹的C. 单增凸的D. 单增凹的
题目2单选题
函数<img src="https://tihai-oss-cloud.itihey.com/img/e71a28abe819091f3ce5f08426193e6c.png">的单调增加区间为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/f06a058dbe2b68ecdc55b45aab3e32a0.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/e784c0fc9b75fcdbfc32a2855f56ba63.png">及<img src="https://tihai-oss-cloud.itihey.com/img/95df74d1b949df2a72ec86031dcf5a7b.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/2f0d5268336ace7c484ee229b2d47918.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/855ebf489442b5c12c05be3846b371cf.png">及<img src="https://tihai-oss-cloud.itihey.com/img/e99c6aaf95e2705fd7940a70c18f78e8.png">
题目3单选题
函数<img src="https://tihai-oss-cloud.itihey.com/img/4614d189457d2f33856a98e723864eab.png">的单减区间是( )A. (-∞,-1]及[0,1]B. (-∞,-1]及[1,+∞)C. [0,+∞)D. (-∞,0]
题目4单选题
函数<img src="https://tihai-oss-cloud.itihey.com/img/6d856f003231370ffa6f0f4be182c585.png">的单调增加且图形为凹的区间是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/2e04761381681e9aa9545a303d16dfc3.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/c914ef755dab2529efb2a3e929a32ceb.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/3001dd9fcc0d2f586e27f5c6e6a23065.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/95df74d1b949df2a72ec86031dcf5a7b.png">
题目5单选题
曲线<img src="https://tihai-oss-cloud.itihey.com/img/6d856f003231370ffa6f0f4be182c585.png">的拐点为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/8fbc82ae62d1119e54b71efdccf70fc4.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/db333de784937100ea9c233e37eeb536.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bd4de8eb5ab34174cc411f49305ef62d.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/8259e908fafbf3ea2295433f3daaec76.png">
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/00b6781a8d097958ca4e7836ccec80b6.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/869fd05a713575664da73f0046e179dc.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/dde31086aca81e8d63afee7b07c0c69e.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/e2aaf9441f3ff5b87914bd109473a89f.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/57cc1d37d2ffc1e81fd3ffd60ef0e7b4.png">
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/3056e7199fbae31889ea1cd9a20dc524.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/563d040bd38871cdc1ce5b8689790286.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/a7589ae00bdb11597e43ba95483c6353.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/d62336adaea59e889dc6abcfc7e0651d.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/08d001aac18d0601ba60c91d26c9bf70.png">
题目8填空题
<img src="https://tihai-oss-cloud.itihey.com/img/ba75a223e45587bf8068edadecf9ab06.png">题目9判断题
<img src="https://tihai-oss-cloud.itihey.com/img/6047af2327e08a4e919e390a1527f32d.png">A. 正确B. 错误
题目10单选题
根据现行《条例》,医疗器械临床试验机构的资质管理采取什么方式A. 资质认定B. 备案C. 放开D. 指定
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