1.1 Functions and Their Graphs Functions;Domain and Range y=f(x) In this notation, the symbol f represents the function, the letter x is the independent variable(自变量) representing the input value of f, and y is the dependent variable(因变量) or output value of f at x. The set D ...
作用ampAMPrangeRange 系统标签: domainrangefunctionsampfunctionset Functions, Range & Domain Coordinate Notation •A relation is a set of ordered pairs (x, y). •The Domain is the set of all the first coordinates, or X coordinates. •The Range is the set of all second coordinates, or...
Domain and range of a function The domain of a function is all the possible values of x's of ordered pairs; whereas the range of a function is all the possible values of y's of ordered pairs. You can easily find them by graphing the functions or ordered pairs. Let's see how in th...
The output of a functionf:A→Bf:A→Balways belongs to the co-domainBB. However, not all values in the co-domain are always covered by the function. In the above example,f:R→Rf:R→R, the function value is always a positive numberf(x)=x2≥0f(x)=x2≥0. We define therangeof...
How_to_find_domain_and_range_of_functions值域问题 值域问题是高中函数的一个精华问题。有很多问题都是围绕着他展开的。比如说恒成 立问题,值域反求定义与问题(即反函数求定义域)……等等。下面就说一下最基本的集中求 值域问题的类型。 首先要着重说的是:求值域,必先看定义域。所有函数都是如此。 1.单调...
To understand the concept of a function, students must understand the sub-concepts, such as correspondence, domain, and range. A function's domain and range are critical to understanding the graph of that function.;Through a review of the literature, it is apparent that many researchers have ...
√|x|-x不等于0 x+1不等于0 计算得x<0且x不等于-1 √|x|-x>0 y=(x+1)^0/√|x|-x在定义域内等于y=1/√|x|-x 所以y>0 定义域x<0且x不等于-1 值域y>0 (b) y=1/1-√x-2 x-2>=0 x<=2 y=1-√x-2 √x-2>=0 y<=1 定义域x<2 值域y<...
Domain and RangeSo what is all this talk about "Restricting the Domain"?In its simplest form the domain is all the values that go into a function (and the range is all the values that come out).As it stands the function above does not have an inverse, because some y-values will ...
百度试题 结果1 题目Determine the domain and range of the following functions. Assume that the entire function is shown.Domain: ___Range: ___ 相关知识点: 试题来源: 解析 (-2,2)(1,3)反馈 收藏
百度试题 结果1 题目【题目】State the domain and range of the following functions and explain what your answers mean in terms of evaluating the functions f(x)=sin"x 相关知识点: 试题来源: 解析 【解析】 -1.-/2//2 反馈 收藏