😃4.1 函數的定義與圖形

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

https://www.geogebra.org/m/hsu7kpam

函數圖形 https://www.geogebra.org/m/SWvbVT38

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

https://www.geogebra.org/m/mbu4tgqr

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

https://www.geogebra.org/m/w7nbjncg