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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 https://apcommunity.collegeboard.org/getting-started
and post messages there.
Thanks as always!

Sent from my iPad

On Oct 23, 2012, at 14:12, "Debbie Bricker" <DBricker@cathedralcatholic.org<mailto:DBricker@cathedralcatholic.org>> 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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