高次方程零点 与转折点的关系1The graph of every polynomial function of degree n has at most n-1 turning points 2If a polynomial function has n distinct real zeros,then its graph has exactly n-1 turning points不太理解 中文意思知道 为什么第二条是exactly啊
问题描述：
高次方程零点 与转折点的关系
1The graph of every polynomial function of degree n has at most n-1 turning points
2If a polynomial function has n distinct real zeros,then its graph has exactly n-1 turning points
不太理解 中文意思知道 为什么第二条是exactly啊
答