Answer please:)

Evaluate the following expression 1/3^2

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.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)