若连续函数f(x)满足关系式[img=174x51]1802fb21a36505e.png[/img],则f(x)等于
A: [img=42x19]1802fb21aba009e.png[/img]
B: [img=48x22]1802fb21b447a7f.png[/img]
C: [img=56x21]1802fb21bd274f7.png[/img]
D: [img=62x24]1802fb21c57bba0.png[/img]
A: [img=42x19]1802fb21aba009e.png[/img]
B: [img=48x22]1802fb21b447a7f.png[/img]
C: [img=56x21]1802fb21bd274f7.png[/img]
D: [img=62x24]1802fb21c57bba0.png[/img]
举一反三
- 若f(x)+f(-x)=0, 则[img=95x39]17da608af452d96.jpg[/img]. 若f(x)=f(-x), 则 [img=170x38]17da60541207426.jpg[/img]
- 若连续函数f(x)满足关系式[img=204x52]1803d34dc984a24.png[/img],则f(x)等于( ) A: [img=45x19]1803d34dd241f35.png[/img] B: [img=51x22]1803d34ddaea893.png[/img] C: [img=65x21]1803d34de2dc843.png[/img] D: [img=71x24]1803d34deb71092.png[/img]
- 设随机变量X的概率密度为[img=172x58]1802fe3273041d3.png[/img]则使得F{X > a} = F{X < a}成立,则a为( ). A: 2-1/4 B: 21/4 C: 1/2 D: 1-2-1/4
- 图中的力F对O点的矩为多少?[img=744x149]18036e09021933f.png[/img][img=685x233]18036e090d730fc.png[/img][img=735x315]18036e0919b7d9d.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
- 图中的力F对O点的矩为多少?[img=744x149]18036264958edca.png[/img][img=685x233]18036264a0a5ed0.png[/img][img=735x315]18036264ac698ce.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0