I'm really horrible at word problems, someone help please?
The Population p (in thousands) of Pittsburgh, Pennsylvania from 2000 through 2003 can be modeled by P=2430e^-0.0029t, where t represents the year, with t=0 corresponding to 2000
a) according to the model, was the population of Pittsburgh increasing or decreasing from 2000 to 2003? explain your reasoning
b) what were the population of Pittsburgh in 2000 and 2003?
c) according to the model, when will the population be approximately 2.3 million?

Question

I'm really horrible at word problems, someone help please?
The Population p (in thousands) of Pittsburgh, Pennsylvania from 2000 through 2003 can be modeled by P=2430e^-0.0029t, where t represents the year, with t=0 corresponding to 2000
a) according to the model, was the population of Pittsburgh increasing or decreasing from 2000 to 2003? explain your reasoning 
b) what were the population of Pittsburgh in 2000 and 2003?
c) according to the model, when will the population be approximately 2.3 million?