The population of a bacteria culture are tripling. After 6 days, the population has quadrupled. What is the tripling time? Find the answer to the nearest thousandth. b) How long did it take for the population to double in size?

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.

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

How do you solve a question like this?