Which graph represents the function f(x)=e^x/4 and g(x)=2√x?

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 statement best describes the polynomial

How do you determine whether a relationship represented as as graph is linear or nonlinear