Math 20C Final Exam 150 points December 9, 2008 -Directions: Show all work and justify all answers. --(1) A solid cone of height 5 is cut into two pieces A and B, via a slice parallel to the base of the cone. Piece A is a cone of height 4. Which piec
Math 20C Test 1B 100 points October 22, 2008 -Directions: Show all work and justify all answers. --(1) Show that as (x, y) approaches (0, 0), (A) the function yx3 / (x4 + y4) has no limit ; (B) the function yx4 / (x4 + y4) DOES have a limit. (If you
Math 20C Test 2B 100 points November 24, 2008 -Directions: Justify your answers and show all work. The four parts of Problem (3) are worth 13 pts each, and the other three problems are worth 16 pts each. -(1) Let R denote that region inside the circl