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determine where it is concave up and where it is concave down. Also find all the inflection points, i.e. points where the second derivative changes sign (i.e. goes from being positive to being negative, or vice versa):
f(z) = 3z^2− 1/(z^2 )

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Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN: 9781337614085
Author: Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher: Cengage,
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