Math 121A, HW3 (1) Summation Formula: We have used the formula
n
i=
i=1
n(n + 1) 2
on several occasions. Prove this formula. (2) Cylindrical Tank Problem: A cylindrical tank (oriented vertically) is full of water. A drain in the bottom of the tank is open
Math 121A, HW2 Reading Assignment: Read the article The history of the concept of function and some educational implications by Ponte and write a brief (one to two paragraph) summary.
Problems: (1) Prove that cfw_an n1 is a linear (aka arithmetic) sequenc
Math 121A, HW1 Reading Assignment: Read the article A Compendium of Views on the NCTM Standards by Hekimoglu and Sloan and write a brief (one to two paragraph) summary.
Problems: (1) (a) A pharmacist is to prepare 15 milliliters of special eye drops for a