Respuesta :

For this case the first thing you should do is to see the values of the domain and range of the function where there was a major change.
 We observe that for x = 1940 we have the value of y = 340.
 For x = 1950 we have the value of y = 470.
 The change was:
 470 - 340 = 130
 During this period there was the greatest growth of the population.
 Answer:
 Vermont's urban population increase the most in:
 1940 to 1950