设f(x)=ax^3+bx^2+cx的极小值为-8,其导数y=f'(x)的图像经过点(-2,0) (2/3,0) ,f(x)极小值为-8,是不是可以把(-8,0)带入?极小值点不是导数为零的点吗?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 15:09:37
![设f(x)=ax^3+bx^2+cx的极小值为-8,其导数y=f'(x)的图像经过点(-2,0) (2/3,0) ,f(x)极小值为-8,是不是可以把(-8,0)带入?极小值点不是导数为零的点吗?](/uploads/image/z/7017641-17-1.jpg?t=%E8%AE%BEf%EF%BC%88x%EF%BC%89%3Dax%5E3%2Bbx%5E2%2Bcx%E7%9A%84%E6%9E%81%E5%B0%8F%E5%80%BC%E4%B8%BA-8%2C%E5%85%B6%E5%AF%BC%E6%95%B0y%3Df%27%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E7%BB%8F%E8%BF%87%E7%82%B9%28-2%2C0%29+%282%2F3%2C0%29+%2Cf%EF%BC%88x%EF%BC%89%E6%9E%81%E5%B0%8F%E5%80%BC%E4%B8%BA-8%EF%BC%8C%E6%98%AF%E4%B8%8D%E6%98%AF%E5%8F%AF%E4%BB%A5%E6%8A%8A%EF%BC%88-8%2C0%EF%BC%89%E5%B8%A6%E5%85%A5%EF%BC%9F%E6%9E%81%E5%B0%8F%E5%80%BC%E7%82%B9%E4%B8%8D%E6%98%AF%E5%AF%BC%E6%95%B0%E4%B8%BA%E9%9B%B6%E7%9A%84%E7%82%B9%E5%90%97%EF%BC%9F)
xTOPWhK{H SH%$>H3
#2~!b s2-O<C4`|io9;;ZH)CD,{6fYfm/
9n
wöN@rWOoRFX+$kmSf'no
rlu2DiE͡v
<ԻPd2O?J$(?t1s0/15=,&";&I+[Zb{MqQPFaLK52gaQ$$bXzE#:رJhe!z)\A
Tv
i!oطBw>Ǵt<VqVO.ɘ, <NGτsDbT529=V.X
'cj~ܽZv$VܖBU؛CM t#.:;zPՁfQFhmG`R`0bQ B27/"@%'KAF|:8lZi pǏI4M#CI^McrmQ'6ZCDP]S?`sG*JDh,ܗܒ$:?o] ^^s¨i