Sketch the function f(x)=lnx/x by executing the following:
a) state the domain of f(x)
b) find f'(x)
c) find f''(x)
d) find the intervals of increasing and decreasing (including any local minima or maxima)
e) find the intervals of concave up and concave down (including any inflection points)
f) find the equation of any asympototes
g) find the intercept(s)
h) sketch the function