Math 121 - Exam 2 Study Guide

1. Given the sketch of a function, find limits. Six parts. Look at problems 2.1.1-14.
2. Given the limits of three functions, find combinations of the limits. Five parts. Look at problem 2.2.3.
3. Find the indicated limits. Twenty parts. Look at problems 2.2.5-30, 2.3.5-34
4. Use the definition of a limit to prove a limit. Look at problems 2.4.19-30.
5. Find the indicated trigonometric limits. Ten parts. Look at problems 2.6.13-35.
6. Use your calculator to complete the table and find the limit. Look at problems 2.1.19-22, 2.6.36-39.
7. Find the points of discontinuity, if any, and determine whether the discontinuities are removable. Four parts. Look at problems 2.5.13-24, 2.5.29-30.
8. Use the definition of continuity to show that the given function is continuous at the indicated point.

Notes:

• The problems are similar to those from the textbook.