Find the interval(s) on which the function f(x)=1+1/x+1/x2 is increasing.

Question

Find the interval(s) on which the function f(x)=1+1/x+1/x² is increasing.

Answer 1

Graph it or at least sketch it.

It blows up positively at 0 and is decreasing for x>0

There is a minimum near x=-2 which you should be able to find analytically.