百度试题 结果1 题目If f(x) = , what is the domain of f(x)? A: all real numbers B: all real numbers except 3 C: all real numbers except 0 D: all real numbers except 3 and −3 相关知识点: 试题来源: 解析 D None 反馈 收藏 ...
百度试题 结果1 题目What is the domain of f(x) = e?A. all real numbers B. all integers C. {x|x ≤ 0} D. {x|x ≥ 0} 相关知识点: 试题来源: 解析 A 反馈 收藏
What is the domain of the function shown?f(x)=3+2(x^2) ( )A. \(x∣ x=0\)B. \(x∣ x≠q0\)
What is edging? Sexologist Lilith Foxx explains that edging, also known as orgasm control, is a technique helping you maintain a high level of sexual arousal for an extended period without reaching climax. "The goal is to increase the intensity of the eventual orgasm. This is often accomplished...
A. D=\( x∣ -∞ < x<∞ \); R=\( y∣ y≤q -3\) B. D=\( x∣ -∞ < x<∞\); R=\( y∣ y≥ -3\) C. D=\( x∣ -3≤ x≤ 3\); R=\( y∣ -3≤ y≤ 6\) D. D=\( x∣ -3< x<3\); R=\( y∣ y>-3\) ...
What is the tens digit of positive integer x ?() (1)x divided by 100 has a remainder of 30. (2)x divided by 110 has a remainder of 30. A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件...
结果一 题目 【题目】What is the text type of the passage?A.Biography(传记)..B. Novel.C. Featured Report.D. Graduation Report. 答案 【解析】C相关推荐 1【题目】What is the text type of the passage?A.Biography(传记)..B. Novel.C. Featured Report.D. Graduation Report....
A function is a set ofordered pairssuch as {(0, 1) , (5, 22), (11, 9)}. Like arelation, afunctionhas a domain and range made up of the x and y values ofordered pairs. Answer In mathematics, what distinguishes a function from a relation is thateach xvalue in afunctionhas one...
10、 连续数例 1:In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560. What is the sum of the last 5 integers in the sequence?(A) 585 (B) 580 (C )575 (D)570 (E) 565例 2:If n is an integer greater than 6, which of the following mus...
- 《Journal of Educational Measurement》 被引量: 152发表: 1998年 New techniques for the dimensionality assessment of standardized test data A new index based on the conditional covariance of item scores given a latent variable is defined and investigated to assess dimensionality in educational ... ...