Me with this pre-calc i’ll you with your english questions in return!

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 function has the same domain as y=2x

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?