9. http://www.regentsprep.org/Regents/math/algtrig/ATT7/graphpractice3.htm In a particular study, the population of rabbits was modeled by the function The population of wolves in the same environmental area was modeled by the function In each formula, x represents time in months. The graphs support the relationship that when the wolf population is high, the rabbit population is low, and when the rabbit population is high, the wolf population is low.