Always start by trying direct substitution. If you find a discontinuity, learn methods for trying to re-write the function to find the limit. Go to jensenmath.ca for math resources.
0:00 Limits Flow Chart
2:24 Limit Rules
3:17 Example 1 (direct subsitution)
4:35 Example 2 (infinite discontinuity)
10:28 Example 3 (indeterminate form)
