Fabiana hikes at a rate of 3 miles per hour. how far can she hike in 4 hours

Ineed to learn how to solve this problem

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.