If the data was only accurate to the tens place, which months rainy day total would be different from others

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

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.

3x = 729 solve for x plz . it's urgent. will mark