实函数的定义域与值域
2014-05-18 09:10
本范例通过图形化方式直观展示了实函数的定义域与值域。用户可通过输入框自定义函数表达式，系统自动绘制图像，并结合导数、轨迹与极值计算，清晰标示出自变量的取值范围（定义域）与因变量的取值范围（值域）。该工具支持动态演示，有助于深入理解函数的基本性质及其几何意义。
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函数
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