Can someone me with these questions

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.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Which function has the domain x> -11