Use f(x) = 1 x and f-1(x) = 2x to solve the problems.
f2)=
f(1) =
f'(2)) =

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.

What is the shape of the height and weight distribution

Is (root2 -2)^2 rational or irrational. show the steps and answer fast