y (-2.4) 4 (-1.3) Y_1=3+√(1-(x+2)^2) 5 (-3.3) (2.3) (-2.2) y_2-3-∵1-(x+2)^2 -5 3 -3 1 × Figure 71 (a) (b) Group the expression involving PD=12, group the expression involving PD=12, and put the constant on the right side of the equation. The result ...
The graph shows a function. What is the equation of the function? A. y = x + 5 B. y = 2x + 3 C. y = 3x - 1 D. y = 4x - 2 相关知识点: 试题来源: 解析 C。观察图像可知,直线的斜率约为 3,截距约为 -1,所以函数方程为 y = 3x - 1。A 选项斜率为 1,截距为 5,不...
题目If the graph of the equation y = x is reflected in the line whose equation is y = x, an equation of the image is A: y = −x B: x = y C: y = x D: x = −y 相关知识点: 试题来源: 解析 B None 反馈 收藏
axis:the new graph has theequation y=-f(x).Reflection in the y-axis:the new graph has theequation y=f(-x).Reflection in the line y=x:the new graph has theequation y =f(x),where f-is the inverse of thefunction f.reflection of a graph Let the graph have the equation y=f(x)...
相关知识点: 试题来源: 解析 A \dfrac{x^{\number{2}}}{\number{1}}+\dfrac{y^{\number{2}}}{\number{4}}=\number{1} graphs as an ellipse with major axis along the y-axis, a major axis \number{2} and minor axis of \number{1}.反馈 收藏 ...
百度试题 结果1 题目 The graph of the equation y = 2 cos 2x, 0 ≤ x ≤ 2π, has a line of symmetry atA: x = π B: y = 2 C: the x‑axisD: x = π/(4) 相关知识点: 试题来源: 解析 ANone 反馈 收藏
For the model defined by the above equation, with a random θ for each document, word observations w, and hidden topic variables z, the posterior distribution is P(θ,z|w,α,B)=P(θ,z,w|α,B)P(w|α,B) which, unfortunately, is intractable. For the M-step it is necessary to ...
百度试题 结果1 题目Type the equation for the graph below.y=()sin (()x) 相关知识点: 试题来源: 解析 y=3sin x反馈 收藏
百度试题 结果1 题目Which equation represents the graph? ( )A. $y=0$B. $y=2x$C. $x=2$D. $y=2$ 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目Which graph represents the equation y=2x+3?10.950 a. Line S Line Q c. Line P d. Line R 相关知识点: 试题来源: 解析 b. 反馈 收藏