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# Is f(x) =(x+1)^3+3x^2+4x-3 concave or convex at x=-1?

## Question

###### Is f(x) =(x+1)^3+3x^2+4x-3 concave or convex at x=-1?
Is f(x) =(x+1)^3+3x^2+4x-3 concave or convex at x=-1?

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