设f(x)为[img=85x25]1803957707edd22.png[/img]内的连续函数,则[img=207x60]1803957711980f4.png[/img]
A: [img=84x51]1803957719d51a8.png[/img]
B: [img=115x51]18039577228d951.png[/img]
C: [img=126x51]180395772ce75c8.png[/img]
D: [img=95x51]18039577390bf5d.png[/img]
A: [img=84x51]1803957719d51a8.png[/img]
B: [img=115x51]18039577228d951.png[/img]
C: [img=126x51]180395772ce75c8.png[/img]
D: [img=95x51]18039577390bf5d.png[/img]
举一反三
- 设f(x)为[img=85x25]180395754b442ba.png[/img]内的连续函数,则[img=207x60]180395755730e0d.png[/img] A: [img=84x51]180395755ff35c1.png[/img] B: [img=115x51]1803957567cea40.png[/img] C: [img=126x51]1803957571c6aab.png[/img] D: [img=95x51]180395757f26eb5.png[/img]
- X~N(1,1), 密度函数为[img=37x25]18038fe689205b5.png[/img], 分布函数为F(x), 则( ) A: [img=198x25]18038fe690a03ee.png[/img] B: [img=101x25]18038fe69af96aa.png[/img] C: [img=67x25]18038fe6a3b8e5b.png[/img][img=118x25]18038fe6ab93d6f.png[/img] D: F(x)=F(-x)
- 设随机变量X的密度函数f(x)满足f(-x)= f(x),F(x)为X的分布函数,则对任意实数a,下列结论成立的是( ) A: [img=188x49]1803bb15a4e233e.png[/img] B: [img=186x49]1803bb15aeb6ced.png[/img] C: [img=107x25]1803bb15b6bde3a.png[/img] D: [img=147x25]1803bb15bfab702.png[/img]
- 下列结论正确的是( ) 未知类型:{'options': ['如果函数f(x)在点x=[img=24x21]17d622a10bb6102.png[/img]处不可导,则f(x)在点x=[img=24x21]17d622a11777a31.png[/img]处也可能连续', '如果函数f(x)在点x=[img=24x21]17d622a121a6732.png[/img]处可导,则f(x)在点x=[img=24x21]17d622a12c812cc.png[/img]处连续', '如果函数f(x)在点x=[img=24x21]17d622a13b63a95.png[/img]处连续,则f(x)在点x=[img=24x21]17d622a148cc6ab.png[/img]处可导', '如果函数f(x)在点x=[img=24x21]17d622a15bfb483.png[/img]处不连续,则f(x)在点x=[img=24x21]17d622a166c77a6.png[/img]处不可导'], 'type': 102}
- 下列函数中为同一个函数的是() 未知类型:{'options': ['f(x)=x,g(x)=[img=25x39]17e43f7e294a229.png[/img]', ' f(x)=x,g(x)=[img=39x24]17e43f7e31cdea3.jpg[/img]', ' f(x)=x,g(x)=[img=35x25]17e43f7e3c419e9.png[/img]', ' f(x)=|x|,g(x)=[img=35x25]17e43f7e3c419e9.png[/img]'], 'type': 102}