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Mathematics 8 Online
OpenStudy (anonymous):

Could someone please help??? is the graph of f(x)=2(x^1/2)-2A, where A>0, increasing, decreasing, convex, concave, have an inflection pt at x=2A^(-2/3), 4A^(-2/3) or A^(-2/3)? I'm thinking that it's concave, but I was wondering if someone could check it just ot make sure. THanks!

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