Let f(t) be the number of units produced by a company t years after opening in 2005. what is the correct interpretation of f(6) = 44,500?
a. six years from now, 44500 units will be produced
b. in 2009, 44500 units are produced
c. in 2006, 44500 units are produced
d. in 2011, 44500 units are produced