若f(x)是g(x)的原函数,则
A: [img=141x37]18031a8b9761996.jpg[/img]
B: [img=137x39]18031a8ba10e8b6.jpg[/img]
C: [img=146x36]18031a8baaa02a5.jpg[/img]
D: [img=146x34]18031a8bb5ea809.jpg[/img]
A: [img=141x37]18031a8b9761996.jpg[/img]
B: [img=137x39]18031a8ba10e8b6.jpg[/img]
C: [img=146x36]18031a8baaa02a5.jpg[/img]
D: [img=146x34]18031a8bb5ea809.jpg[/img]
举一反三
- 若f(x)是g(x)的原函数,则 A: [img=141x37]180319bdd656a9b.jpg[/img] B: [img=137x39]180319bde058884.jpg[/img] C: [img=146x36]180319bdeafc382.jpg[/img] D: [img=146x34]180319bdf65a381.jpg[/img]
- 随机变量 X 的概率分布为:[img=926x80]17de893984a60db.png[/img]则利用 matlab 计算 E(X)的程序语句是 A: X=[10, 8, 5]; P=[0.6, 0.2, 0.2]; EX=X*P; B: X=[10, 8, 5]; P=[0.6, 0.2, 0.2]; EX=XP; C: X=[10, 8, 5]; P=[0.6, 0.2, 0.2]; EX=X*P’; D: X=[10; 8; 5]; P=[0.6; 0.2; 0.2]; EX=X*P.
- 已知y=f(x)是奇函数,当x≥0时,[img=62x34]17e0bf81aac3b63.png[/img],则f(-8)的值是( ) A: -8 B: -4 C: 4 D: 8
- 判断float型变量x是否满足[img=77x19]1803bce8616286c.png[/img]的正确的表达式是? A: 6.0 < x < 8.0 B: 6 < x && x < 8 C: !(x <= 6 && x >= 8) D: 6.0 < x || x < 8.0
- 设X是随机变量,且[img=139x31]1802e2aa00edf66.jpg[/img],则D(X)=( ). A: 2 B: 4 C: 6 D: 8