# The set of positive real values of x for which the function f(x) = x/ln x is a decreasing function is ?

##
A x < e

B x = 1

C x < e^2

D x > e

E empty space

A x < e

B x = 1

C x < e^2

D x > e

E empty space

##### 1 Answer

Dec 3, 2016

A

#### Explanation:

NB:

To find a turning point set

Hence

Now observe the graph of

graph{x/lnx [-13.55, 17.64, -5.69, 9.9]}

It can be seen that

Hence the answer to this question is: A