Calculate the interpolating polynomial which satisfy the following data. the population of a country given below in different years year 1930 population 25 year 1940 population 28.7 year 1950 population 33.9 year 1960 population 40.3 year 1970 population 44.83 find f(x)=? calculate the interpolating polynomial which satisfy the following data. the population of a country given below in different years year 1930 population 25 year 1940 population 28.7 year 1950 population 33.9 year 1960 population 40.3 year 1970 population 44.83 find f(x)=?