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Topic: [ap-calculus] Double Derivatives
Replies: 1   Last Post: Oct 23, 2012 10:31 PM

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Debbie Bricker

Posts: 44
From: San Diego, CA
Registered: 1/3/11
Re:[ap-calculus] Double Derivatives
Posted: Oct 23, 2012 10:31 PM
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This ap-calculus EDG will be closing in the next few weeks. Please sign up for the new AP Calculus
Teacher Community Forum at
and post messages there.
Thanks as always!

Sent from my iPad

On Oct 23, 2012, at 14:12, "Debbie Bricker" <<>> wrote:

In using the second derivative test for extrema, you may get the second derivative to equal zero when plugging in a critical number and the test then fails. Will this point then be a POI?


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