Question

You can model the populationof a certain city between the years 1995 and 2000 by the radical function P(x) = 55000 sqrt(x - 1945). Using this model, in what year was the population of that city 275,000?

a. 1970
b. 1966
c. 1964
d. 1975

Answer 1

\[275000=55000\sqrt{x-1945}\]
calc x

Answer 2

Would I subtract 55000 from 275,000?

Answer 3

no divide both sides by 55000