1.
The sales of lawn mowers t years after a particular model is introduced is given by the function y = 5500 ln (9t + 4), where y is the number of mowers sold. How many mowers will be sold 3 years after a model is introduced?

Round the answer to the nearest hundred.

18,100 mowers

40,100 mowers

8,200 mowers

18,900 mowers