题目内容

定积分e√xdx的值是()。

A. e
B. 1/2
C. e
D. 2

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设f(x)=sinx,g(x)=cosx,则在[0,π/4]上有()

A. f(x)≥g(x),f′(x)〉g′(x)
B. f(x)≥g(x),f′(x)〈g′(x)
C. f(x)≤g(x),f′(x)〉g′(x)
D. f(x)≤g(x),f′(x)〈g′(x)

已知f(0)=2,f(2)=4,f’(2)=6,则=()。

A. 10
B. 8
C. 6
D. 4

Server1runsWindowsServer2012R2andisinstalledasanFTPserver.ClientusesApp1toconnecttoServer1forFTP.App1usesTCPport21forcontrolandadynamicportfordata.Youhaveallowedport21infirewall. WhatshouldyoudonextinordertoallowclientstouseApp1toconnecttoserver1usingftp.()

AtServer1allowfirewallruleofoutbound
B. AtServer1allowfirewallruleofinbound
C. Netshadvfirewalldomainprofilestateoff
D. NetshadvfirewallsetglobalStatefulFtpenable

设f(x)=cosx,则=()

A. sina
B. -sina
C. cosa
D. -cosa

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