【单选题】
在下列函数中,( )在指定区域内是单调减少的函数
①
<img src=https://huaweicloudobs.ahjxjy.cn/087E58F5FC3F975668C0B235653FCD10.png title={KZ%~M7WDSN86IJUUVMFVK7.png alt={KZ%~M7WDSN86IJUUVMFVK7.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/44E8F1CC8CEFD9400C2FFE917B1F2D7D.png title=AX_S_DL_ZW}QZK]}]L`SP{7.png alt=AX_S_DL_ZW}QZK]}]L`SP{7.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/743F6FDBC8ECBD9A330B63164AFD4FF7.png title=F_M`]4_A]{N{~J$WD8C(Z9O.png alt=F_M`]4_A]{N{~J$WD8C(Z9O.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7A6F6928A94857244FFE19169BD6C0F3.png title=VECWQKKE81JSICN(}}47RK5.png alt=VECWQKKE81JSICN(}}47RK5.png/>
【单选题】
设函数<img src=https://huaweicloudobs.ahjxjy.cn/73CA8AD9DB48E63C4A5827998A73084D.png title=(_Q71M6GS`)WUA[6}LYLRV0.png alt=(_Q71M6GS`)WUA[6}LYLRV0.png/>处可导,则它在<img src=https://huaweicloudobs.ahjxjy.cn/969AD1929844953C8EE3A11177AF30B7.png title=0S184[DY{]HA}1F0@(9)Z`J.png alt=0S184[DY{]HA}1F0@(9)Z`J.png/>的微分<img src=https://huaweicloudobs.ahjxjy.cn/F741D7BC128922C170DDFEEB63F7B475.png title=HC@97B9C6AGZ]ING9W}PO7Q.png alt=HC@97B9C6AGZ]ING9W}PO7Q.png/>指的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/21BD989AA5AE0D7D370226BBF4F86CC9.png title=@O9FPRTJWGZ]QM3ZY%TBFA3.png alt=@O9FPRTJWGZ]QM3ZY%TBFA3.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/65FA7E556C01676B0413FAA4C25B8596.png title=`KBX56ZYLY~Z$D3A4ZRT%62.png alt=`KBX56ZYLY~Z$D3A4ZRT%62.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B53E25AC39B7F9C810FE410F50F50A67.png title=E]B(XMT8MJIJY2`98Y_K[7J.png alt=E]B(XMT8MJIJY2`98Y_K[7J.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F741D7BC128922C170DDFEEB63F7B475.png title=HC@97B9C6AGZ]ING9W}PO7Q.png alt=HC@97B9C6AGZ]ING9W}PO7Q.png/>
【单选题】
曲线<img src=https://huaweicloudobs.ahjxjy.cn/9BAA0EEF96486ABE6B96C42260AC3295.png title=V8D1_252BT[]]OJ{@[5W{W0.png alt=V8D1_252BT[]]OJ{@[5W{W0.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/83CC18378D52FDAF840564D2C20968B8.png title=@GAPYL78)2%S6DLWW_T]WUT.png alt=@GAPYL78)2%S6DLWW_T]WUT.png/>处的切线方程是
①
<img src=https://huaweicloudobs.ahjxjy.cn/239440F7CADD14EAF5DE40860D6A6CED.png title=8N5V~PCOA5}QCC2)OP@8087.png alt=8N5V~PCOA5}QCC2)OP@8087.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/1C4570A0B26493D0303AF90763F6F9A2.png title=14@NUX89XKZ7ZG6HRO3@JM6.png alt=14@NUX89XKZ7ZG6HRO3@JM6.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/50D81DD2ED7D5A908165FA5F3459E533.png title=LYC@54MTKVFS1]M]MUATH$P.png alt=LYC@54MTKVFS1]M]MUATH$P.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9C53A1578E8695741C53833A78780F67.png title=W@WG@8I$0NIOX15V]Q7IVT1.png alt=W@WG@8I$0NIOX15V]Q7IVT1.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/4DE06EAA9B2A6C6428D820898FA907B6.png title=1367}A`RW8VPZL)XR3JW1RA.png alt=1367}A`RW8VPZL)XR3JW1RA.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/92B22E22D16519CCFCF7A4BD695F7FDA.png title=4$GR`FI~(J7ZM{$~5YYL2[4.png alt=4$GR`FI~(J7ZM{$~5YYL2[4.png/>
【单选题】
已知<img src=https://huaweicloudobs.ahjxjy.cn/1E88C66167540D6C3092C9E1747A668F.png title=]Q@U(E$B]P`_DRWH~AATJ9Y.png alt=]Q@U(E$B]P`_DRWH~AATJ9Y.png/>,则<img src=https://huaweicloudobs.ahjxjy.cn/258DCF11C6A9760A6AE6BB942D5FE4FC.png title=E04ZCHTQIF9%~]@]O@0YO{0.png alt=E04ZCHTQIF9%~]@]O@0YO{0.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/613F3BFB090B246E86F0E4E580E28124.png title=DLCTT_7_)FSC0V]Y9@T0{1D.png alt=DLCTT_7_)FSC0V]Y9@T0{1D.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A776E71B8AC2FF8C98780E9E7B023534.png title=QSNNLTJT8_UTOL5@ETX5SSD.png alt=QSNNLTJT8_UTOL5@ETX5SSD.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F10538329C5BC7CCE4FFCB1871A72F45.png title=1BBNF$NT()OL5FG5OQJ1J%K.png alt=1BBNF$NT()OL5FG5OQJ1J%K.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/8425F6E26B2F0B9C312F6EEFE62DBF5D.png title=}{S95S~F$CE0I$`A`3RBO_Q.png alt=}{S95S~F$CE0I$`A`3RBO_Q.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/5AC33B54AD812E1387980617F5225C32.png title=}3MNL}DV$BTNUXBA@K6TIYM.png alt=}3MNL}DV$BTNUXBA@K6TIYM.png/> 则<img src=https://huaweicloudobs.ahjxjy.cn/3667DBDB1E5A78019D7045E03ABBC3EB.png title=A4}%K0X6OXW2RPE4%QV98(B.png alt=A4}%K0X6OXW2RPE4%QV98(B.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/7A3B9B05886EEE2E0698FDF37EE0D4C0.png title=SU$FF{B7BOK[1UH3{FBT3HE.png alt=SU$FF{B7BOK[1UH3{FBT3HE.png/>处( )
【单选题】
设函数<img src=https://huaweicloudobs.ahjxjy.cn/B18DAEC7BC214D39291CE63ED6CFAE59.png title=G{RQ8$G%3MF6S[HGIRD{4DN.png alt=G{RQ8$G%3MF6S[HGIRD{4DN.png/>,则<img src=https://huaweicloudobs.ahjxjy.cn/0D916379856D4615C7EEBB5D8A1D558B.png title=P%GGVETN1[L~88J626PFI$M.png alt=P%GGVETN1[L~88J626PFI$M.png/>处( )
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/2216F788AC3D3A4D94464C5D1C9362F0.png title=~EHB]WAS5UC]7$GLED$NX%6.png alt=~EHB]WAS5UC]7$GLED$NX%6.png/>上,则下列命题正确的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png/>连续,则<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png/>可导
②
<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png style=white-space: normal;/>可导,则<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png/>连续
③
<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png style=white-space: normal;/>不连续,则<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png style=white-space: normal;/>可导
④
<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png style=white-space: normal;/>不可导,则<img src=https://huaweicloudobs.ahjxjy.cn/900B35FBD1C0FDEF10899AC7F8B555B7.png title=MAPU{HQA9~4]7JE10_ECR~2.png alt=MAPU{HQA9~4]7JE10_ECR~2.png/>不连续
【单选题】
设函数<img src=https://huaweicloudobs.ahjxjy.cn/2A87EDFC39217375188208AE0D82A54F.png title=}JZSNP2SNZTM(PKD]DAW4[C.png alt=}JZSNP2SNZTM(PKD]DAW4[C.png/>,则<img src=https://huaweicloudobs.ahjxjy.cn/BE631C9357B286CFDFABE28EC970844D.png title=HH2EVRP$%HS5%S}76W}_@MN.png alt=HH2EVRP$%HS5%S}76W}_@MN.png/>( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/451A7DE0CC9C2BB0666DA16F1583C676.png title=G5PEH71_LYSB]3_VE7$L{4B.png alt=G5PEH71_LYSB]3_VE7$L{4B.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/06914FE1A2D19A89A479986CF837810D.png title=NBKLEX43%2CEG7W9G8R1{G7.png alt=NBKLEX43%2CEG7W9G8R1{G7.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A6B87B497AC1DB5399C00FF533BAEF52.png title=OELNVJQ]$CLGV{WLIK`}H`3.png alt=OELNVJQ]$CLGV{WLIK`}H`3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/8982AE06A0CBF266357803DF6E77DB34.png title=YRB14{K$Q({BW5NQXFK8I_V.png alt=YRB14{K$Q({BW5NQXFK8I_V.png/>
【单选题】
已知函数<img src=https://huaweicloudobs.ahjxjy.cn/0122E795927CC8AAB8F2ABE05F87F32A.png title=R7H7VS7Z3TLFFR[ZL]MH}ZK.png alt=R7H7VS7Z3TLFFR[ZL]MH}ZK.png/>,则<img src=https://huaweicloudobs.ahjxjy.cn/609AB414B6A761E98E880130B45A9843.png title=WZB1MLI5`V52H4OZ{)IT3R7.png alt=WZB1MLI5`V52H4OZ{)IT3R7.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6842699EBCAD2A7455F1234EAB7842F3.png title=}L27K_6$]IS}Q_]63BBYLIA.png alt=}L27K_6$]IS}Q_]63BBYLIA.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A2B588DA709D89683B71EEFADB848015.png title=TF%40N(~@`K1EJH5EE`}{D0.png alt=TF%40N(~@`K1EJH5EE`}{D0.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/D278F2842E36C39FD0662B6B6EC66041.png title=99L9255[%T@VC[Q$}Y4CR0U.png alt=99L9255[%T@VC[Q$}Y4CR0U.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F97E296CD0E9941468BF65206867A8CA.png title=F}C{]TS)IVK]BB3DEQGHJ%8.png alt=F}C{]TS)IVK]BB3DEQGHJ%8.png/>