【单选题】
二元函数<img src=https://huaweicloudobs.ahjxjy.cn/3B4502C5C5DFF2F6242ABF3CB84260B2.png title=]XK95M8]_U7H5QN_RXG%C8R.png alt=]XK95M8]_U7H5QN_RXG%C8R.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C9AEE107ECF19732E45761119CBA141F.png title=4LTY~D@QL16QR3)]3ESX96U.png alt=4LTY~D@QL16QR3)]3ESX96U.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5F2FD6F9D14C2F7DE491F07C1343F256.png title=6$4U96KJW`10WH][1BO}C)0.png alt=6$4U96KJW`10WH][1BO}C)0.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/DAEDF46C28A86A7851D2919E7C3A2A0F.png title=CHANV){}PQPJYW~$J3O77MD.png alt=CHANV){}PQPJYW~$J3O77MD.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/715D1E66A9E44F684956EDF7CD8E0BE2.png title=S2R@H%XAW@RV`MK7D]PUM41.png alt=S2R@H%XAW@RV`MK7D]PUM41.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/C67CBDA727FEA56C7AB111CAB6F951AD.png title=QQ图片20160224215718.png alt=QQ图片20160224215718.png/>,则( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为极值点
②
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为驻点
③
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为连续点
④
<img src=https://huaweicloudobs.ahjxjy.cn/EA6FB79FF8DF7A9F3A2D0CEB093C717F.png title=QQ图片20160224214006.png alt=QQ图片20160224214006.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>有定义
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4E83AB88EAA8300BFDC19C29FC0AF1CB.png title=RGX~@UCWLFP2_9WQZ75EZ)W.png alt=RGX~@UCWLFP2_9WQZ75EZ)W.png/>
【单选题】
已知<img src=https://huaweicloudobs.ahjxjy.cn/6996942FFC33E1FF153E4BCE471421C3.png title=4(@(57O8AS585X563{4A0VX.png alt=4(@(57O8AS585X563{4A0VX.png/>的定义域为( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/951312AE1D3258B3732EDC9C26C1FBCF.png title=@T])GRN}M~9QBFJU(}{WM3D.png alt=@T])GRN}M~9QBFJU(}{WM3D.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/0E8FCB241F7A956422D73021BCA97B22.png title=4(SZG[}G(MCE1L@$~}%FCRI.png alt=4(SZG[}G(MCE1L@$~}%FCRI.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/6D2A1D43207CAB7C6412B347FBA797C5.png title=R]A}4[@I[VTHRQ`QNL[PE`O.png alt=R]A}4[@I[VTHRQ`QNL[PE`O.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6FC4C53977D96034F0B97D27A66778DA.png title=U@E)]Z79T9`D7@PEHY]K8_9.png alt=U@E)]Z79T9`D7@PEHY]K8_9.png/>
【单选题】
已知函数<img src=https://huaweicloudobs.ahjxjy.cn/8E74CF98041EAF7BA77DA9B9F76D0127.png title=DA~3]8AU@35KI0TVYMGI(3C.png alt=DA~3]8AU@35KI0TVYMGI(3C.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B482B4823587008085B22EBCF1385CB3.png title=~_VAU8J@JMZC@MUT{`HU@B2.png alt=~_VAU8J@JMZC@MUT{`HU@B2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/D5365CCD1B429E3EA174819A813D0EA0.png title=5K62CO(1PQ%GX(F5XDYH(7G.png alt=5K62CO(1PQ%GX(F5XDYH(7G.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CFDC354FD7D370B85069C0C61E5C2928.png title=17IM_E~LIS2P(G7$I$~U~OM.png alt=17IM_E~LIS2P(G7$I$~U~OM.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D029C374740C00726DCA7E51184FE8D9.png title=U~0Y$KE5O$}[MZC([NCR}PF.png alt=U~0Y$KE5O$}[MZC([NCR}PF.png/>
【单选题】
若<img src=https://huaweicloudobs.ahjxjy.cn/CBF3D9BEFC7E0424CFD833D6B2DEFF50.png title=S}H@OYK`WI)B0A84JZ0G3G2.png alt=S}H@OYK`WI)B0A84JZ0G3G2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F3775736BE57D41F3C0D198CDD39B590.png title=)0[$PX]EI{PQ`~)Z]DT$5~B.png alt=)0[$PX]EI{PQ`~)Z]DT$5~B.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/E4299ECBA53268C7219B250926C0E461.png title=OSIK41{YR6{IO%ZEMB9Q6N1.png alt=OSIK41{YR6{IO%ZEMB9Q6N1.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F41258E5064F8C82946FBA557DE18579.png title=YL%_ZXX3EL59YYHZOP{T4F1.png alt=YL%_ZXX3EL59YYHZOP{T4F1.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/C67CBDA727FEA56C7AB111CAB6F951AD.png title=QQ图片20160224215718.png alt=QQ图片20160224215718.png width=212 height=25 border=0 vspace=0 style=width: 212px; height: 25px;/>,则( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为极值点
②
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为驻点
③
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为连续点
④
<img src=https://huaweicloudobs.ahjxjy.cn/EA6FB79FF8DF7A9F3A2D0CEB093C717F.png title=QQ图片20160224214006.png alt=QQ图片20160224214006.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>有定义
【单选题】
已知<img src=https://huaweicloudobs.ahjxjy.cn/B86018F9D6072EE0F72D5F576D0C0EB5.png title=YSVC$UR2HGG(M7V64L~MZGG.png alt=YSVC$UR2HGG(M7V64L~MZGG.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/0F8078DEB81F2B707665E7BF08093B26.png title=7HLD%(A~GZSKODM7A~Y0C10.png alt=7HLD%(A~GZSKODM7A~Y0C10.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/13109C2017F73615528DEE4A33E8D866.png title=G{Q)J7M`LY]L[I84K`7A%2N.png alt=G{Q)J7M`LY]L[I84K`7A%2N.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A1A456DC9C925C0E74375665375FE260.png title=P)M6PC(@P{U4LK7Y]V`LCMJ.png alt=P)M6PC(@P{U4LK7Y]V`LCMJ.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/51DBBFD2B37C67C7C19490D3BB4EB972.png title=U_X9~]1NLP[D}FY{K}FL2B6.png alt=U_X9~]1NLP[D}FY{K}FL2B6.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/9BEDF5BCF7974EAD7B285DA4FAF72FE1.png title=OS]{I(2_3S924$)XEN8K@A3.png alt=OS]{I(2_3S924$)XEN8K@A3.png/>( )
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/7BF7ED9398261D022039DB22ECA70812.png title=9))HRPH{(SFSTNVJZK2_NL3.png alt=9))HRPH{(SFSTNVJZK2_NL3.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/37E0C47F43FA14BE4EEB34318576E4A0.png title=)U48YTYWH2K84TK7T7(FKPM.png alt=)U48YTYWH2K84TK7T7(FKPM.png/>