APPM 1340 Midterm: appm1340spring2013exam3
Document Summary
Instructions: please show all of your work and make your methods and reasoning clear. Answers out of the blue with no supporting work will receive no credit. No calculators, notes or electronic devices are allowed. Please start each new problem on a new page in your bluebook. You must use implicit di erentiation to solve this problem. form y = mx + b. (a) find an equation of the tangent line to this curve at the point ( 1, 2). A spotlight sits at point b, 20 ft south of point a, and is shining on the man. The man walks east along a straight path at a speed of 4 ft/s, and the spotlight rotates so that it keeps shining on the man. At what rate is the spotlight rotating when the man is 15 ft from point.
