N1960, there were 248 comma 124 immigrants admitted to a country. in 2001, the number was 1 comma 132 comma 585. a. assuming that the change in immigration is linear, write an equation expressing the number of immigrants, y, in terms of t, the number of years after 1900. b. use your result in part a to predict the number of immigrants admitted to the country in 2017. c. considering the value of the y-intercept in your answer to part a, discuss the validity of using this equation to model the number of immigrants throughout the entire 20th century.