The size of the coyote population at a national park increases at the rate of 4.7%. The size of the current population is 196. Find, per year, using the equation y = Yo * e^(0.047t), how many coyotes there should be in 6 years (rounded to the nearest whole number). The size of the coyote population at a national park increases at the rate of 4.7%. The size of the current population is 196. Find, per year, using the equation y = Yo * e^(0.047t), how many coyotes there should be in 6 years (rounded to the nearest whole number)