The number of bacteria in a sample is increasing according to an exponential model. After 2 hours, the sample contained 200 bacteria; and after 6 hours, the sample contained 800 bacteria. Write an exponential growth model for the number of bacteria in the sample after x hours.

The number of bacteria in a sample is increasing according to an exponential model After 2 hours the sample contained 200 bacteria and after 6 hours the sample class=