已知函数f(x)=x3+ax2+bx+c在点P(-2,f(-2))处的切线方程为y=9x+14,又f(0)=-2 1求函数y=f(x)的单调区间和极值;2若函数F(x)=f(x-m)+4m(m>0)在区间[m-3,n]上的值域为[-4,16]求m,n应满足的条件
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![已知函数f(x)=x3+ax2+bx+c在点P(-2,f(-2))处的切线方程为y=9x+14,又f(0)=-2 1求函数y=f(x)的单调区间和极值;2若函数F(x)=f(x-m)+4m(m>0)在区间[m-3,n]上的值域为[-4,16]求m,n应满足的条件](/uploads/image/z/12502485-45-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dx3%2Bax2%2Bbx%2Bc%E5%9C%A8%E7%82%B9P%28-2%2Cf%28-2%29%29%E5%A4%84%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B%E4%B8%BAy%3D9x%2B14%2C%E5%8F%88f%280%29%3D-2+1%E6%B1%82%E5%87%BD%E6%95%B0y%3Df%28x%29%E7%9A%84%E5%8D%95%E8%B0%83%E5%8C%BA%E9%97%B4%E5%92%8C%E6%9E%81%E5%80%BC%EF%BC%9B2%E8%8B%A5%E5%87%BD%E6%95%B0F%28x%29%3Df%28x-m%29%2B4m%28m%3E0%29%E5%9C%A8%E5%8C%BA%E9%97%B4%5Bm-3%2Cn%5D%E4%B8%8A%E7%9A%84%E5%80%BC%E5%9F%9F%E4%B8%BA%5B-4%2C16%5D%E6%B1%82m%2Cn%E5%BA%94%E6%BB%A1%E8%B6%B3%E7%9A%84%E6%9D%A1%E4%BB%B6)
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