题目Which function graph passes through the origin? A. y = x + 1 B. y = x² + 1 C. y = x³ D. y = x² + x 相关知识点: 试题来源: 解析 C。本题考查函数图像过原点的条件。当 x = 0 时,y = 0 的函数图像过原点。C 选项当 x = 0 时,y = 0,所以函数图像过原点。
The graph in Figure 1 could be the graph of which of the following functions? ( ) A. f(x)=x^2+9 B. f(x)=(x-9)^2 C. f(x)=9-x^2 D. f(x)=- x^2+9 E. f(x)= -x^2+9 相关知识点: 试题来源: 解析 E 反馈 收藏 ...
百度试题 结果1 题目新考法[文章结构]Which of the following shows the structure of the passage? (①=Para-graph 1,... )1①②③④②③④⑤⑤ A. B.①②③④①T②⑤③④⑤ C. D. 相关知识点: 试题来源: 解析 A 反馈 收藏
百度试题 结果1 题目According to Graph 1, which of the following cities has the worst air pollution? A. Qinhuangdao。 B. 。 Tianjin. C. Qingdao. D. 。 Shenyang. 相关知识点: 试题来源: 解析 D 反馈 收藏
Function that best describe the graph: Based on the graph there are four zeros of the polynomial function which are the values of {eq}x {/eq} that intersecting the x-axis, two of them are negative and two are positive.Thus what we are going to do is fin...
Question 8 (1 point)An inequality is shown below.8≤x+2≤12Which of the following graphs represents the solution of the inequality?0 2 4 6 8 10 12 14 16b02 4 6 8 10 12 14 160 2 4 6 8 10 12 14 16d02 4 6 8 10 12 14 16 ...
Find the range of the quadratic function y = x^2 - 2x + 3. Write your answer as an inequality using x or y as appropriate. Solve the equation or inequality. Write the solution set to the inequality in interval notation if possible. 2 - 3(4 - x +2(x - 1) - 3 + 4) 0 ...
The graph of a function passes through the points (0,1), (1,2), (2,3). Which function could it be? A. y = x + 1 B. y = 2x C. y = x^2 D. y = 3x 相关知识点: 试题来源: 解析 A。本题中,将各点的横坐标代入选项中的函数,只有 A 选项 y = x + 1 能使各点满足函...
Which of the following statements can be inferred from the graph?(1) School X has a smaller enrollment than School Y.(2) If the age of a book is the number of years since purchase, then the average (arithmetic mean) age of a book in the School Y inventory is less than that of a...
Between two variables {eq}x {/eq} and {eq}y {/eq}, direction variation occurs when variables are related by the equation {eq}y = kx {/eq}. In this case, {eq}k {/eq} represents any non-zero constant and can symbolize...