The number of millions of White non-Hispanic individuals in the U.S. civilian non-institutional population age 16 and

Question:

The number of millions of White non-Hispanic individuals in the U.S. civilian non-institutional population age 16 and older for selected years from 1980 and projected to 2050 can be modeled by P(x) = 96.1+17.4 ln x with x equal to the number of years past 1970 (Source: U.S. Census Bureau). Find the projected average population over the years 2020 through 2030.