【单选题】【消耗次数：1】
设<img src=https://huaweicloudobs.ahjxjy.cn/D2ECFFCF706229EB30F33EB29FCB12C9.png title=DR]]2H_7~0LYR17_4DPZLH1.png alt=DR]]2H_7~0LYR17_4DPZLH1.png/>
①
一定有最大值
②
一定有极小值
③
不一定有极值
④
一定没有极值
参考答案：
复制
纠错
相关题目
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A4EA3A33F2FA06C1E9A0CFD9705ED7E6.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4B0FAFCECF5F81FD99EB7D6F436AD5CD.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/8D9762C97D3E0E8BECBBF9CA1F516E7F.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/553795A293B51FCC35B3426934989597.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/0ECB1BAF111878448DD1D68AA18D9358.png title=12-4.png alt=12-4.png/>
【多选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4DE29EFA21CB7D8D919C14C049187750.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/E85495858960DABC7D0670895F1502DC.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/5329CCB367DC78F31026DD8A280B9DB7.png title=4.png alt=4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F0279F9E99540B5C6AD90E91695A90B0.png title=3.png alt=3.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/201DB0FD15C18B3A27CC64EEA281F911.png title=5.png alt=5.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7EAB1F1D0550A6C5C24EEB0FFE8B0D00.png title=6.png alt=6.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/45AD067EB2A5C33A9414F09A1F34C565.png title=29.png alt=29.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/FC2470DC174456CD7784708705680D3E.png title=29-1.png alt=29-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/CC13835BDA919DC91EC4D7CCBA814F1F.png title=29-2.png alt=29-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F603CD6AB5EE0C7A199BA8350170A79A.png title=29-3.png alt=29-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/0D79FE0FE548381D07D9B1D1FE9C1EC9.png title=29-4.png alt=29-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/2A1F4D073358137AC1F2767C1281A7B6.png title=7-C.png alt=7-C.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/A3EDCC513AD87B6DE0FF92469CAD1375.png title=7-1.png alt=7-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/14B2468B0D0D132B5E02053ED324A883.png title=7-2.png alt=7-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/32298C59ED758DA1F44F8CCE504D5E6E.png title=7-3.png alt=7-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/99502EC78B81F7366C2D6ED7FEF08D10.png title=7-4.png alt=7-4.png/>
【单选题】
<img title=25.png alt=25.png src=https://huaweicloudobs.ahjxjy.cn/2DC9C8B2A2580A4C7EB24BD1CB285159.png/>
①
<img title=25-1.png alt=25-1.png src=https://huaweicloudobs.ahjxjy.cn/D17018130296FF044B33FDFE61BF9C1D.png/>
②
<img title=25-2.png alt=25-2.png src=https://huaweicloudobs.ahjxjy.cn/A6224FE861D1D07E34C8BD68BF46AAB4.png/>
③
<img title=25-3.png alt=25-3.png src=https://huaweicloudobs.ahjxjy.cn/A4F2CB5A7A99143BDD3B138FD088E53B.png/>
④
<img title=25-4.png alt=25-4.png src=https://huaweicloudobs.ahjxjy.cn/BCAA730BC57519A233E54E6ABE19F92B.png/>
【多选题】
<img src=https://huaweicloudobs.ahjxjy.cn/16C7003AF9EB1735F75173AF3F994BD1.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/997C861BE25A9EB1CA0BE4E4AA1F6921.png title=2.png alt=2.png/><img src=https://huaweicloudobs.ahjxjy.cn/24E0907ED0230C3FE1B001D96DCA0640.png title=3.png alt=3.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/692F090A7E165A0A38C14FF0554B4204.png title=4.png alt=4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/69624F08569759B278A275D6A58759F1.png title=5.png alt=5.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/EBEE189275F1591DF76F689BF95BD90B.png title=7.png alt=7.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7659ADB5D6852930BC5FBFD88C956B69.png title=6.png alt=6.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/DE7A0D1881FF1C8D4D473B7B4784FF02.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/0EEE8AAA672886BCC1D6A5827140F81B.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/8B2154C5434F3B2EDD3CC1A65BE93277.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F0B8070FB8B83F25568BE18779009189.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/4BD0BD6AD0DF92AE89847242FE323A9D.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/560D69721E0FD0A1CC4D7765C7F91648.png title=12.png alt=12.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E3CCA020DB8D4B1A0CA32BDD81BEA88A.png title=12-1.png alt=12-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/EECEF15ADB149C2F60CBB72185CD167A.png title=12-2.png alt=12-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/078AAD893F750BBC0FDCFAFFEBAC7422.png title=12-3.png alt=12-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6BA293DD2182AEFBB860B12B03A7B1BF.png title=12-4.png alt=12-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/27483DB2B2FC1AAF40C45FF5B4A0D349.png title=7.png alt=7.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D594462BB5C4164FDFA0944CF623912C.png title=7-1.png alt=7-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FA4E04E7F344C8C36FF15B9BBC2795DF.png title=7-2.png alt=7-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/ACF5C3328C49AA7DD6C0153DB71457B2.png title=7-3.png alt=7-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/1B1EC4FA0924D60EA21B1C16BB9C9BF1.png title=7-4.png alt=7-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B7F4A90113DA9A763937485ABCF2F4B0.png title=15-C.png alt=15-C.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E108F0A0DC585379DB9C9407798488B3.png title=15-1.png alt=15-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/C9076A741909177C46B11697EB012D10.png title=15-2.png alt=15-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5550B9C93A4504AB360E5357D5E5A5B0.png title=15-3.png alt=15-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5BBB3FC15D1AFDC1C15D5BADC4A1F0DE.png title=15-4.png alt=15-4.png/>
随机题目