Several years ago, a large city undertook a major effort to encourage carpooling in order to reduce traffic congestion.

Several years ago, a large city undertook a major effort to encourage carpooling in order to reduce traffic congestion. The accompanying table shows the number of carpoolers, in thousands, from 2007 to 2012. Use regression to obtain a function f(x) = a + b* ln x that models the data, where x =1corresponds to 2007, x = 2 to 2008, and so on. Round the constants a and b to the nearest hundredth.