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December 17, 2014

December 17, 2014

Posted by **Jake** on Saturday, March 3, 2012 at 12:29pm.

What intervals should I use to test whether or not the graph is concave up or down. I know that no points or equations are given so we have to estimate.

Here is the URL for the graph.

imgur dotcom/FdQCV

- Calculus -
**Steve**, Saturday, March 3, 2012 at 4:48pmLooks like there are inflection points at x = -3/2 and x=2

So, i"d answer that

f is concave down in (-oo,-3/2) and (2,oo)

f is concave up in (-3/2,2)

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