Find inflection point and concave up

G

Ghost3k

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Nov 4, 2011
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5cbf3e175bf02620a69db17d5ec9a01.png


Find a) where it is concave upward

b) List the
7ca85459d2390dbf4a5dfdd0b8b8e91.png
values of the inflection points in order

Ok so can anyone confirm the answers with me.
For the concave upward part I got the following:

a1ab75b8a8ed87a92134cb25f30f9b1.png


For the x values of the inflection points i got
e4ed6b417aa0093d7b47c5422a6f081.png
 
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