Question

The poplution of Las vegas, Nevada has been increasing at an annual rate of 7.0%. If the poplution of las vegas was 478,434 in the year 1999, predict its population in 2010.

Answer 1

Where x is years after 1999, the population is predicted to be ...
  p(x) = 478,434*1.07^x

For x=11, this is
  p(11) = 478,434*1.07^11 ≈ 1,007,033

The relation predicts the Las Vegas population in 2010 to be 1,007,033.