3d figure with one circular base and one vertex

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Which of the following represents the range of the graph of f(x) below

Which expression gives you the distance between the points (5,1)and(9,-6)