17 lines
963 B
Markdown
17 lines
963 B
Markdown
|
---
|
|||
|
|
title: Intro to Inverse Functions
|
|||
|
|
localeTitle: 反函数简介
|
|||
|
|
---
|
|||
|
|
## 反函数简介
|
|||
|
|
|
|||
|
|
假设你试图在y = x线上反映y = 3x。这条线的等式是什么？如下图所示，它将是y = 1 / 3x。但为什么会这样呢？如果你互相交换x和y并求解y，你会发现方程式是相同的。这就是所谓的反函数。
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
[帮助我们的社区扩展这篇文章](https://github.com/freecodecamp/guides/tree/master/src/pages/mathematics/intro-to-inverse-functions/index.md) 。
|
|||
|
|
|
|||
|
|
[这种快速风格指南有助于确保您的拉取请求被接受](https://github.com/freecodecamp/guides/blob/master/README.md) 。
|
|||
|
|
|
|||
|
|
#### 更多信息：
|
|||
|
|
|
|||
|
|
“如何[绘制](http://www.dummies.com/education/math/calculus/how-to-graph-the-inverse-of-a-function/)函数的逆。” [Dummies.com](http://www.dummies.com/education/math/calculus/how-to-graph-the-inverse-of-a-function/) 。
|