Fox population problem: naturalists find that populations of some kinds of predatory animals vary periodically with time. assume that the population of foxes in a certain forest varies sinusoidally with time. records started being kept at timet0 years. a minimum number of 220 foxes appeared when t3.1 years. the next ma 2. a. sketch the graph of this sinusoid. b. find a particular equation expressing the number of foxes as a function of time. c. predict the fox populatin when t = 7 ,o, 9, and 10 years etween what two nonnegative values of t were the foxes first endangered? show on your graph in part a that your answer to pard d is correct. e.