Solve the equation. check your solution, if possible. #4 (10 points) picture is included) !

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.

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3