y = -x^2 D. y = -2x^2 相关知识点: 试题来源: 解析 A。二次函数中,二次项系数越大,抛物线开口越窄。在选项中,2 大于 1,所以 y = 2x^2 的图像比 y = x^2 更窄。选项 B 系数小于 1,图像更宽;选项 C 和 D 只是改变了开口方向,宽窄不变。
shrinking vertically by a factor of 2 相关知识点: 试题来源: 解析 B。对于 y = f(2x),是将 y = f(x) 的图像在 x 轴方向上压缩,压缩系数为 2,即水平方向压缩 2 倍。A 选项是水平方向拉伸 2 倍,C 选项是垂直方向拉伸 2 倍,D 选项是垂直方向压缩 2 倍,均不符合。
在这个类别中比较有代表性的方法有 Message Passing Neural Networks(MPNN)[1], GraphSage[2], Diffusion Convolution Neural Networks(DCNN)[3], PATCHY-SAN[4]等。 基于频域卷积的方法则从图信号处理起家,包括 Spectral CNN[5], Cheybyshev Spectral CNN(ChebNet)[6], 和 First order of ChebNet(1stChebNet...
Question 3: For a linear equation y = 2x + 6, find the point where the straight line meets y-axis on the graph.Answer: On y-axis, the x-coordinate of the point is 0. Therefore, we can find the intersection point of y-axis and y = 2x + 6 by simply putting the value of x ...
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解析 The correct answer is A y=2x2 y=2x2+3 9 6 8 11 2 5 2 1 0 0 3 -4-2 0 2 女 2 5 1 8 11 2 The graph has the same Of'y=2x^2+3 shape as h graph ì but is shifted dy=2x^2 up 3 1 units. 反馈 收藏
Use a graphic display calculator. Draw the graph of y=2x^2+3x-9 for -3≤q x≤q 2. Draw suitable straight lines to find approximate solutions of the equations. 2x^2+3x-4=0 相关知识点: 试题来源: 解析 -2.35, 0.85 反馈 收藏
Genome graphs can represent genetic variation and sequence uncertainty. Aligning sequences to genome graphs is key to many applications, including error correction, genome assembly, and genotyping of variants in a pangenome graph. Yet, so far, this step
Finding the x- and y-intercepts may be done either graphically or algebraically. Functions and equations may either be linear or nonlinear. Linear functions are those drawn with a straight line as seen in the illustration below: Graph of y = 2x - 6 with x- and y-intercepts...
Since the five-qubit graph state is locally equivalent to a five-qubit linear cluster state, by making corresponding changes to the reference frames of the measurements we obtain the relevant witness (see Methods). The measurements are X0X1X2X3X4 and Y0Z1Y2Y3Z4, which lead to a witness...