函数的单调性 急6.若函数y=x*3+x*2+mx+1有三个单调区间,则实数m的取值范围是____________7.若函数y=x*3+x*2+mx+1在(0,1)上单调递减,在(1,+∞)上单调递增,则实数m的取值范围是____________8.若函数y=x*3+
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![函数的单调性 急6.若函数y=x*3+x*2+mx+1有三个单调区间,则实数m的取值范围是____________7.若函数y=x*3+x*2+mx+1在(0,1)上单调递减,在(1,+∞)上单调递增,则实数m的取值范围是____________8.若函数y=x*3+](/uploads/image/z/3857620-4-0.jpg?t=%E5%87%BD%E6%95%B0%E7%9A%84%E5%8D%95%E8%B0%83%E6%80%A7+%E6%80%A56.%E8%8B%A5%E5%87%BD%E6%95%B0y%3Dx%2A3%2Bx%2A2%2Bmx%2B1%E6%9C%89%E4%B8%89%E4%B8%AA%E5%8D%95%E8%B0%83%E5%8C%BA%E9%97%B4%2C%E5%88%99%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF____________7.%E8%8B%A5%E5%87%BD%E6%95%B0y%3Dx%2A3%2Bx%2A2%2Bmx%2B1%E5%9C%A8%EF%BC%880%2C1%EF%BC%89%E4%B8%8A%E5%8D%95%E8%B0%83%E9%80%92%E5%87%8F%2C%E5%9C%A8%EF%BC%881%2C%2B%E2%88%9E%EF%BC%89%E4%B8%8A%E5%8D%95%E8%B0%83%E9%80%92%E5%A2%9E%2C%E5%88%99%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF____________8.%E8%8B%A5%E5%87%BD%E6%95%B0y%3Dx%2A3%2B)
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