*1.1 函數的描述

y=ax+b https://www.geogebra.org/m/xVAkw5T7

定義域與值域

https://www.geogebra.org/m/hbcgeqwq

https://www.geogebra.org/m/ftd8j8hm

區間記號

https://www.geogebra.org/m/JBrpvwXR

遞增與遞減

https://www.geogebra.org/m/yb6gkhem

直線對稱與點對稱

https://xu-shi-min.gitbook.io/ji-chu-shu-xue-yi-si-xian-shang-zi-yuan/di-2-zhang-zuo-biao-ping-mian-yu-fang-cheng-shi-de-tu-xing/2.3-dui-chen-xingxu-shi-min.gitbook.io

https://xu-shi-min.gitbook.io/ji-chu-shu-xue-yi-si-xian-shang-zi-yuan/di-2-zhang-zuo-biao-ping-mian-yu-fang-cheng-shi-de-tu-xing/2.3-dui-chen-xing

偶函數的圖形對稱於y軸，奇函數的圖形對稱於原點。

https://www.geogebra.org/m/krx7wcms

https://www.geogebra.org/m/tgkWr98v

4.2 一些常見函數及其圖形 | 基礎數學xu-shi-min.gitbook.io

https://xu-shi-min.gitbook.io/ji-chu-shu-xue-yi-si-xian-shang-zi-yuan/di-4-zhang-han-shu-de-ji-ben-gai-nian/4.2-yi-xie-chang-jian-han-shu-ji-qi-tu-xing