1 Answer | Add Yours
Given `f=ln(1+2/x)` :
The domain of the function is `(-oo,-2)uu(0,oo)` . We are interested in the interval `(-oo,-2)` .
Note that the denominator is always positive. On the interval `(-oo,-2)` the numerator is always negative.
Thus the function is concave down for x<-2.
We’ve answered 315,745 questions. We can answer yours, too.Ask a question