The area covered by a city is 20 square miles. The area grows by a factor of 1.1 each year since it was 20 square miles. a. Explain why the area, a, covered by the city, in square miles, is a function of t, the number of years since its area was 20 square miles.

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.