After returning two old quizzes and giving today's quiz on concavity, I worked two example problems. The first illustrated the use of the 2nd derivative test. It's quite straightforward, but what students sometimes forget is that the 2nd derivative test is used to find relative extrema. Previously, we have used the 1st derivative test; now we have a second method for finding relative minimums and maximums.
The second example for today emphasizes the relationship between the 1st derivative, the 2nd derivative and the graphs of functions. This will be our focus of study for much of the next week.
Tomorrow's quiz will be a review quiz - it will cover some topic that a previous quiz was over.
Notes from today are attached below.
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