By the year 2025, the town of Ellison is frustrated and wants to get rid of their cats, so they send them over to Clarkville. The Clarkville
residents love cats and can use the cats to catch all the mice. The
mouse-catch-rate for each cat is 72%

The function f(x) = 5719(0.28)^x represents this change in the cat
population.
a) Explain what the 0.28 means in this problem, based on the
information is given.
(hint: think about if this function is increasing or decreasing)