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RE: [ap-calculus] Double Derivatives
Posted:
Oct 23, 2012 8:37 PM
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Nope. Consider f(x) = x^4 at the origin.
Lin
Lin McMullin
Richardson, TX
My Blog for calculus teachers: teachingcalculus.wordpress.com
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From: Debbie Bricker [mailto:DBricker@cathedralcatholic.org]
Sent: Tuesday, October 23, 2012 16:13
To: AP Calculus
Subject: [ap-calculus] Double Derivatives
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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?
Debbie
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