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March 30, 2015

March 30, 2015

Posted by **Isik** on Wednesday, April 16, 2014 at 5:37pm.

f(x)= 1+(1/x)+(5/x^2)+(1/x^3)

find the interval of increase.

find the interval of decrease.

find the interval of where the function is concave up.

find the interval of where the function is concave down.

I have no idea about this question.

Thank you!!

- calculus help -
**Damon**, Wednesday, April 16, 2014 at 5:45pmPlay with this:

https://www.wolframalpha.com/input/?i=derivative+of+1%2B%281%2Fx%29%2B%285%2Fx^2%29%2B%281%2Fx^3%29+

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