Calculus
posted by Jake .
Can someone explain this question to me?
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

Looks 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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