The Graph of a Function A function is a rule that assigns exactly one output value to each input value. A function can be presented by its graph. which, by definition, is obtained by drawing the input-output pairs in a coordinate plane as the input varies. Thus, one can read from the...
The graph of a function that has a constant output regardless of the input is called a ___ function. A. constant B. identity C. reciprocal D. logarithmic 相关知识点: 试题来源: 解析 A。本题考查函数的分类。选项 A“constant”表示常量函数,输出恒定;选项 B“identity”是恒等函数;选项 C“reci...
When the graph of a function is symmetric about the y-axis, it is called an ___ function. A. odd B. even C. periodic D. invertible 相关知识点: 试题来源: 解析 B。本题考查函数的对称性。选项 A“odd”表示奇函数,图像关于原点对称;选项 B“even”表示偶函数,图像关于 y 轴对称;选项 C“...
The graph of a function is a straight line parallel to the x-axis. Which function could it be? A. y = 0 B. y = x C. y = x + 1 D. y = x^2 相关知识点: 试题来源: 解析 A。因为平行于 x 轴的直线上所有点的纵坐标都相同,只有 y = 0 是一条平行于 x 轴的直线。 反馈 ...
Look at the graph. Which function does it represent? A. y = 2x + 1 B. y = 3x - 2 C. y = 4x + 3 D. y = 5x - 4 相关知识点: 试题来源: 解析 A。本题主要考查对函数图像的理解。从图像的斜率和截距来看,此图像的斜率约为 2,截距约为 1,符合 y = 2x + 1 的特征。B 选项斜率...
The graph of a function is symmetric about the y-axis. What kind of function is it? A. Even function B. Odd function C. Linear function D. Quadratic function 相关知识点: 试题来源: 解析 A。解析:如果函数的图像关于 y 轴对称,那么这个函数是偶函数。奇函数的图像关于原点对称。线性函数和二次...
百度试题 结果1 题目A graph of a function is shown. Find the indicated function values.$f(-1)$, $f(0)$, and $f(1)$ 相关知识点: 试题来源: 解析 $f(-1)=2$; $f(0)=0$; $f(1)=-2$ 反馈 收藏
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...
结果1 题目 The graph of a function is a curve that is symmetric about the y-axis. Which function could it be? A. y = x B. y = x^2 C. y = 2x D. y = x + 1 相关知识点: 试题来源: 解析 B。二次函数 y = x^2 的图像是一条抛物线,关于 y 轴对称。 反馈 收藏 ...
y = 3x + 2 C. y = 4x + 1 D. y = 5x 相关知识点: 试题来源: 解析 A。解析:把点(0, 3)代入选项,只有 A 选项当 x = 0 时 y = 3;把点(1, 5)代入 A 选项,当 x = 1 时 y = 2×1 + 3 = 5,符合条件,B、C、D 选项代入这两个点都不符合。反馈 收藏 ...