If the function [img=34x25]17de81deae56b45.png[/img] is a monotonically increasing continuous function, then [img=201x51]17de81deba1b3ad.png[/img].
举一反三
- If X and Y are any two independent continuous random variables whose probability density is [img=41x25]1803dc1d154ea64.png[/img] and [img=38x26]1803dc1d1dd7772.png[/img],and whose distribution function is [img=47x25]1803dc1d26f6f50.png[/img] and [img=42x25]1803dc1d300d282.png[/img],then [img=47x25]1803dc1d26f6f50.png[/img] + [img=42x25]1803dc1d300d282.png[/img] must be the distribution function of a random variable.
- At what points (x, y, z) in space is the function continuous?[img=368x117]1803229635cda43.png[/img] A: [img=158x25]180322964081f92.png[/img] B: [img=159x25]180322964a26107.png[/img] C: [img=158x25]1803229654dadbb.png[/img] D: [img=80x25]180322965e5ca6a.png[/img]
- Given: function[img=34x25]17de81e321f7032.png[/img] has a second-order derivative within the interval of [img=8x19]17de81e32caa1a1.png[/img], and . Then, within the interval of , the curve is: A: increasing and convex upward B: decreasing and convex upward C: increasing and convex downward D: decreasing and convex downward
- 设随机变量X的概率密度[img=190x71]17de89917dd344e.png[/img]，则[img=87x47]17de89918b2d7b8.png[/img]的值为 A: 5 B: 3 C: 81/16 D: 4
- If [img=34x25]1803e254fa72e37.png[/img] is an even function and [img=33x25]1803e25502f5f78.png[/img] is an odd function，then ( ). A: All [img=191x25]1803e2550bd75da.png[/img] are even functions; B: All [img=191x25]1803e25513d5400.png[/img] are odd functions; C: [img=124x25]1803e2551c3ff9f.png[/img]are odd functions and [img=56x25]1803e25523e8c1c.png[/img]is an even function; D: [img=124x25]1803e2552c8c3c6.png[/img] are even functions and [img=56x25]1803e25534c2a44.png[/img] is an odd function.