美国大学的Consider the function f (x) = x^5- 5x + 1.(a) Find the

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美国大学的
Consider the function f (x) = x^5- 5x + 1.
(a) Find the intervals on which f is increasing or decreasing
.(b) Find the local maximum and minimum values of f
.(c) How many solutions does 0 = x^5- 5x + 1 have?Explain why your answer is correct.

关于函数 f (x) = x^5- 5x + 1,
(a) 求这个函数的单调递增区间和递减区间
(b) 求这个函数的极大值和极小值
(c) 方程0 = x^5- 5x + 1有几个实数解呢?
再问：我想知道怎么做不是翻译谢谢~
再答：

再答：
再答：赶时间，所以过程有些省略了，你可以继续追问的。
再答：

再答：刚才好像有些没拍进去

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