gabriel's horn-matlab help asap

dhooks

i need help asap if anyone can spare some time.

here is the problem

i am learning matlab and i have to graph volume and surface area of Gabriel's horn. i solved the eqn for the answer i just dont know how to input the information for the graph to plot properly. if you google gabriels horn you can see volume and surface area worked out. what do i write to plot it? ive been looking how to revolve the eqn around the x-axis i havent been to successful.

Gabriels horn is:

1/x from x=1 to x=infinity.