Posted by Casey on Thursday, March 7, 2013 at 3:00pm.
A population of 75 foxes in a wildlife preserve quadruples in size every 15 yr. The function
y= 75 * 4^x , where x is the number of 15 yr periods, models the population growth. How many foxes will there be after 45 years?

Math  Steve, Thursday, March 7, 2013 at 3:32pm
45 years is 3 periods, so 75*4^3