函数的定义域与值域
2014-06-08 16:04
本范例演示如何通过图形化方法直观地确定函数的定义域与值域。通过观察函数图像在x轴和y轴上的投影范围，结合GeoGebra的输入框与交点工具，帮助用户深入理解函数自变量与因变量的取值限制，是学习函数基础概念的实用交互工具。
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