f'(x)=x^2-4当x≤-2时,f'(x)≥0,函数单调递增当-2≤x≤2时,f'(x)≤0,函数单调递减当x≥2时,f'(x)≥0,函数单调递增∴f(x)在x=-2时取极大值,f(-2)=28/3；在x=2时取极小值,f(2)=-4/3又f(-3)=7,f(5)=77/3大概画出f(x)在[...