Help me plz will give brain list

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 a || b and e || f , what if the value of y ?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2