He given table shows the growth of anytown, nc by providing the estimated population from 1970 to 2000. year population 1970 4,800 1980 6,300 1990 7,800 2000 9,300 write an equation that represents the population in relation to years since 1970. use x for the independent variable and y for the dependent variable. write your answer in slope-intercept form. do not use commas or spaces in your answer.