SOLUTION: function: y= x^4-8x^3-16x+5 a. Identify range b. find x-intercept c. find critical numbers d. points of extreme with the first derivative test for the interval of increasing

Question 1180561: function: y= x^4-8x^3-16x+5
a. Identify range
b. find x-intercept
c. find critical numbers
d. points of extreme with the first derivative test for the interval of increasing and decreasing testing
- please show the work, I did some work on my own but I think I messed up in some steps. thank you very much.
Answer by mccravyedwin(408) (Show Source): You can put this solution on YOUR website!


I think you copied the equation wrong, because nothing factors. Neither the
given original equation or its derivative have any rational zeros or roots,
and the critical numbers are all irrational, and can only be approximated
using technology.

Edwin

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