Question

1) a) The fox population in a certain region experiences exponential growth with a relative growth rate of 8% a year. In 2013, it was estimated that the population was 18, 000. (a) Find a function that models the population t years after 2013. (b) Use the function above to estimate the fox population in the year 2021. (c) After how many years will the fox population reach 25, 000?

b) Two observers simultaneously measure the angle of elevation of a floating UFO. One angle is measured as 32◦ , the other as 43◦ . If the observers are 130 feet apart and the UFO lies over the line joining them (ie. UFO is in between the observers), how high is the UFO?

Answer 1