在<img src=https://huaweicloudobs.ahjxjy.cn/0DF86CE868D28134A24E55BBCD4BA9B3.png title=B]{`AH2BS3ZP8LHJ387V~%1.png alt=B]{`AH2BS3ZP8LHJ387V~%1.png/>处,连续但不可导的函数是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/386E9E3E1A062C27CDCB92566CC4F609.png title=)$LMO[[2]YZND2J]OV]B$Z8.png alt=)$LMO[[2]YZND2J]OV]B$Z8.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FAE26EE229DE007496D9DBE1ABCAAD99.png title=F76[~][4NL041XT{K`Z8_RN.png alt=F76[~][4NL041XT{K`Z8_RN.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/672699527A1A58910C13BE712139E0D4.png title=W8I301ZD$2M_9FX))T5GMBL.png alt=W8I301ZD$2M_9FX))T5GMBL.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D3E7F1E612243315CD7C4242CF1D05BF.png title=O5AGDPWP)C1GT82OJ)CR$EO.png alt=O5AGDPWP)C1GT82OJ)CR$EO.png/>