(Question 3) 6 points Suppose

(Question 10) 8 points Car 1 is heading due south from Math-town at a rate of 40 miles per hour.Car 2 is heading due west from Math-town at a rate of 55 miles per hour.  How fast is the distance between the cars increasing when Car 1 and Car 2 are 8 miles and 4 miles from Math-town, respectively?

(Question 5) 8 points  

 (Question 7) 8 points

(Question 4) 8 points Suppose k is a non-zero real number.  Evaluate the limit algebraically.  If it does not exist, explain why not.  

(Question 2) 9 points Suppose that  is continuous at and that

(Question 10) 8 points Let .  Find the smallest number

(Question 3) 6 points FInd 

(Question 8) 12 points The population, , in thousands, of a certain city is given by where t is the number of years since .  At what average rate does the population change from to ? Include correct units. Find . What does this value represent in the context of this problem?  Include correct units.

(Question 3) 8 points A Folium of Descartes is the family of curves given by